The BMW N54 is a beautiful engine, but some days it will have you banging your head on a wall, Before purchasing a turbocharged 135i, 335i or 535i it is important to consider the differences between the N54 and N55 powered BMWs. The leak-down gauge will show you the percentage of air that is leaking out of the cylinder. It also makes 300-335 horsepower from the factory. We may be missing a few small items, but this is the basic stuff. A few simple upgrades and tuning can push the N54 to 400+whp. The reason for this is that the piston rings expand when warm. An aluminum open-deck block is far from ideal for high power and boost. The N54 is a fairly tough engine. The other unfortunate aspect is that single turbo builds are very expensive. A hot compression test is done with the engine warm to ensure all the parts are up to temp and the clearances are as expected. Transmission & engine mounts and subframe bushings arent a bad idea. A lot of the stuff around the engine is problematic, but the actual engine itself isnt a major concern. However, there are a number of BMW N54 gaskets prone to leaking oil. Well, to hit these Dyno numbers, Amit used a 125 shot of Nitrous. Piston crown volume: -21.5cc. If the repairs are done right the N54 can offer good reliability and longevity. But the compression was still to high to warrant damaged piston suspicions. Closed deck 9.5:1 compression N54 short block, forged rods, forged pistonsFully Ported head with oversized intake valves, Manley springs, Ti Retainer, Stock camsVTT GC turbochargersCustom VTT inlets with 6 velocity stacksVTT Double Barrel HPFP systemEOS V2 intake manifold with top PIADE 1100WHP FMICCustom triple Walbro LPFP set up with Radium Surge tankMHD tuner tuned by V8BAIT100% E85. BMW E90 335i N54 Head Off & Compression Issue Conclusion So we have been lucky to a degree, probably the best case scenario for this motors compression probl. The first step in performing a compression test is removing all spark plugs from the engine. Ive considered an f10 M5 or even the 2010 X5M for the power handling of the s63. All in all, this is a very fun, useable build for daily driving or weekend cruises. Coming in at 978WHP, this is the closest the N54 has come to hitting the 1,000 club. Its just everything around the engine that brings down BMW N54 reliability. sensors sometimes fail with that kind of age. This N54 was running FBO, with inlets and outlets, and 100% E85. Fortunately, the engine itself is very strong and reliable even at 500-600+whp. All versions have a bore of 84.0 mm (3.31 in), a stroke of 89.6 mm (3.53 in), a compression ratio of 10.2:1 and the redline is 7000 rpm. BMW's marketed the twin-turbo as "TwinPower Turbo",[10]although the term has since been used for engines which have a single twin-scroll turbocharger. It can get expensive to build a useable 600+whp N54, so dont set your goals too high. Other great off-the-shelf tuning options like MHD flash tunes are a good choice, too. Tally how many spark plug wires are present. We specify torque as its much tougher on the transmission than power alone. I've also seen even but low compression caused by worn injector seals. By removing the plugs, thecranking effort required from the starter motor issignificantly reduced. OK. These specifications come from the BMW Service Manual. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. Its among the most proven tuners engines. Honda K24: Everything You Need to Know | Specs and More, Powerstroke 6.0L: Everything You Need to Know | Specs and More. Dont let the cheap price to purchase up-front fool you. All of these are prone to cracking and developing leaks. If you'd like to keep up with my build, you can do so right here on the blog and by subscribing to our YouTube channel. Currently you have JavaScript disabled. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. of cranking compression with no more than 10% difference between any of the cylinders. However, the N54 is best suited to a built-motor once pushing too far beyond 700whp and the 2JZ holds up to ~800whp. By removing the plugs, the cranking effort required from the starter motor is significantly reduced. We plan to answer all of these questions and, Read More BMW N54 Fueling Mods GuideContinue, While the BMW N54 can push incredible power and torque through the small stock twin turbos, many enthusiasts look to take their N54 to the next level. It turns out a simple process issued by BMW is the fix. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Ultimately, the N54 can be reliable with all of the right work. Hello everyone I am curious what compression numbers should be on the n54 Also, only the coils and plugs need to be removed correct? Upgraded turbos are the forefront of discussion when it comes to unleashing the N54s full potential. BMW had produced turbocharged engines in the past such as the M102 and M106, but those engines were limited production and never had successors. I did a dance and took photos. The cookies is used to store the user consent for the cookies in the category "Necessary". A proper tune and besides that, you should be prepared to change spark plugs and coils if misfires occur. Even 11 years after the N54 engine was originally debuted, horsepower world records are still being set constantly. Pistons are cast yet remain pretty strong. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. A compression test determines the relative compression between individual cylinders while a leak-down test determines the sealing ability of the valves, head gasket, and piston rings. In both cases, power output is compromised. 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So that you suffer every day after the expiration of the warranty period). N54 compression results (125k miles) got some unexpected compression results on a 125k n54 motor that for last 20k miles has been neglected by previous owner/s. These cookies ensure basic functionalities and security features of the website, anonymously. Posts. 185. This is a material usually reserved for racing and other "heavy duty" turbo applications. It does not store any personal data. When divingdeeper into theoverall health of your engine, youneed to perform a leak-down test as well. Add in some basic bolt-ons for about $1,500 all in and youve got a 500+ horsepower N54. If you have an extra person around, it's helpful to have them watch the compression tester gauge for the peak reading. Youll also need expensive port injection upgrades, and other things become more necessary. Mahle Motorsports N54 pistons are forged for strength, light weight, and low drag to be a modest upgrade over the stock BMW pistons. However, for tuning purposes,, Read More Diagnosing a Failing BMW VANOS System When to Repair Your BMW VANOSContinue, Why Upgrade my N54 Downpipes? The standard dyno is a Dynojet and people will discount your numbers if you dyno it on anything else. This is where he developed his love of the automotive industry. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Overall, the leak-down test will give you detailed information to determine the health of your engine and help pinpoint a failure during the diagnostic process. Compression is everything in an enginepoor compression can cause misfiresas well as poor ignition. I've used 3 - Autozone special Innova tester, the OTC tester that. Dont miss our detailed guide on the 8 most common N54 problems. If you have a fairly lightweight car you can probably get away with 9:1 or a little more, but watch your boost and detonation threshold. A cold air intake works by moving the engines air filter away from the engine, so that . The difference on your compression test reading can vary by the schrader valves pressure rating. Turbo longevity also becomes a concern. The list could go on and on. These questions come up frequently, but there is no perfect answer. Not a huge deal if you plan to upgrade anyways. [11][12]The boost pressure is 8 psi (0.55 bar) and an air-to-air intercooleris used. Send it back, amazon is good with returns. production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more . Inside the N54 youll find a forged crankshaft and beefy forged rods. His experience as an enthusiast, combined with his technical knowledge, makes him an essential resource for anyone looking to improve the performance of their BMW. Mahle uses their high-performance 2618 alloy for their N54 pistons. Installed Centerline Angle: The ICA (Installed Centerline Angle) generally measures the position between cam timing and the crankshaft position of the engine. Its almost too easy to tune and upgrade for massive power. Why am I featuring it at #4 instead of #2? Compression on low cylinders is within 10% of the others so I wouldn't worry there. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! carolinasbmwmoa.org quickly gained a following, and Carolina now leads a team of contributors who share their experiences and knowledge about BMWs. And maybe not just tools but things we have bought and can indorse. N54 HPFP Failure CEL Codes: These are common codes, certain ones might not indicate a failed HPFP (such as a cylinder misfire code) P142E: low pressure in HPFP system - injection disables to protect catalytic converters 2FBF: Fuel pressure at injection release 2FBE: Fuel pressure after motor stop 29DC: Cylinder injection switch off Caused by valves not sealing properly due to heat damage and/or carbon build up. $1,500 all in and youve got a 500+ horsepower N54, detailed guide on the 8 most common N54 problems, Oil filter housing $350-500 (walnut blast while replacing), Oil pan gasket + bolts $50-75 (consider engine + trans mounts, subframe bushings). A very beefy, forged crank is a big highlight of the BMW N54. Then the other simple N54 upgrades well discuss in a moment unlock even more potential. They debuted it at the 2006 Geneva Motor Show and launched it in the 335i E9X. Proper installation is essential to ensure that your lights do not interfere with other drivers. Buy Laser 4332 Compression Test Adaptor: Windshield Wipers & Washers . i tested using 2 different brand gauges just to be sure. She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for many years. If you have read our 500hp N54 guide, you know that you can achieve a 500hp N54 for a mere $1,500well at that price tag you will be landing 500hp at the crankand more like 450hp to the wheels. No such issues after flashing. I meant, mine did not look like that. Appreciate 0 Tweet. Water pumps often fail in the 60,000 to 100,000 mile ballpark. Unfortunately, if you are here, Im guessing youve got the dreaded code and are looking for answers and hoping those answers dont come with big dollar signs. 4) The electric pump suddenly fails! Zach is a BMW enthusiast with a passion for performance. Factory BMW pistons are cast aluminum, which is fine for the intended power output and durability. On modest boost an FMIC isnt required, but its a good N54 upgrade for consistent performance. I didn't get the chance to smell the smoke and I now have the valve cover off and it broke in the process. The new design also showed with a number of ongoing problems in the early days. The DCT transmissions just cant handle the torque that a manual can. BMW N54 LPFP upgrades for E50+ fueling is our preference. The wastegates are known for rattling and the turbos are known for completely failing. Definitely a huge improvement, overall. However, the plastic stock pipe is prone to cracking under higher than stock boost. Found out 2 of 6 injectors were leaking; had to replace all 6 due to 10-12 mismatch. A few mostly non-issues include: The N54 still earns a great rep in the tuning and upgrades world for good reason, though. _____ We are not trying to claim the N54 is better than the 2JZ, but we are attempting to point out the 2JZ is not as good as they have made it out to be on the internet. Does it smell sweet? Includes everything necessary to upgrade from factory chargepipe. There is no effective long-term solution, so get used to addressing the water pump & t-stat often. Thanks. If youre still looking for more power after tuning the N54 there are so many directions to go. A compression test determines the relative compression between individual cylinders whilea leak-down test determines the sealing ability of the valves, head gasket, and piston rings. Low compression in one cylinder usually indicates a bad exhaust valve. What are the limits of the stock N54 fueling system? The N54 was BMWs first mass produced turbocharged engine. Much of this is a non-issue in the modern days. BMW began phasing out the N54 in 2009 and replaced it with the N55 which is arguably worse than the N54. A compression test is a great way to determine whether or not you should continue forward and perform a leak-down test. The numbers above tell methat my engine makes good compression in each of the cylinders. Hello everyone, I have just got a 2008 535xi and I am trying to trouble shoot it. Closed deck 9.5:1 compression N54 short block, created rods, created pistons. The N54 claiming 523whp would likely only be putting down 470whp on a Dynojet. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. 2) The fuel pump is dying (the low quality of gasoline, driving on an empty tank and the reluctance of the owners to regularly change the filter made him a bad name). Some even fail by 40,000 miles or sooner. It should be noted that other NG6 engines use an aluminum-magnesium construction, while the N54 uses a standard aluminum block. Mix in a small E85 blend and youll likely push into the 410-430whp range. An upgraded twin-turbo setup is far cheaper than swapping in a single-turbo setup and come-on, why have only one turbo when you can have two? A lot of N54s already have the updated HPFPs that dont often have problems. Sure, natural and fluky failures do happen sometimes. Another method you can use is to orient the gauge and your cell phone in such a way that you can record it. With a good set of summer tires youll put the power down pretty well. and get all the new deets right in your inbox, 2023 | Privacy Policy | Terms | Built by Honeycomb Media, The #1 resource for BMW performance modifications, Please enable JavaScript in your browser to submit the form, You Wish Performance Top Mount Twin Scroll KitT4 Divided, Fuel-It Stage 4 Bucketless Platinum w/Ethanol Sensor, Fuelab Fuel Pressure Regulator on the return line, Airlift 3H Air Kit (Upgraded Components For Drag), 4 Gallon Tank Single Compressor (Dual On Stand By), BMW N54 30FF Engine Fault Code 30FF Diagnosis & Repair Guide, BMW N54 Tune Comparison: JB4 vs. Cobb vs. MHD. Tuning and upgrades is a long topic for the BMW N54 engine. Oil leaks and cooling system problems are commonplace. There are very good parts of the N54 that were way overbuilt. Consider turbo upgrades if you find yourself in this position. What are acceptable compression readings? Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. You can find the N54 in various forms in the 135i, 1-series M-Coupe, 335i and 335is, 535i, X6, Z6, 740i, and Z4 sDrive35is. Consider other things to replace while its down. Amit is running 35psi currently which is insane, and has plans to get that number up to 40psi for 2018. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! By clicking Accept, you consent to the use of ALL the cookies. I think you're on the right track. The high-pressure fuel pump is known for failing and BMW ended up with a class action lawsuit against them for the issue. Its V8 weighs 445 lbs, while the N54 weighs 429 lbs. Check these out to see just how in-depth we go to make them. Turbos sometimes fail another expensive upgrade or repair. Its rare for internal engine issues to occur even at 500-600+whp. Why is this? I think a set of Pure stage 2s is in my near future. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Yours looks OK to me. The VANOS system isnt unique to the N54 engine; it is used in many variations of BMW engines. Poor compression can also have an effect on engine performance inregards to the balance of poweracross each cylinder. We are hoping to soon add an F80 M3 and F82 M4 GTS. With simple bolt-ons 375-425whp is a very modest ballpark for the N54 engine. However, some like to run WMI instead. I promise we only send like one email per month. As a rule, most engines should have 140 to 160 lbs. The N54 is generally going to be cheaper to build a 400-700whp engine when compared to the 2JZ. Running upgraded inlets and outlets and E85, the N54 stock turbos can break this 500whp barrier. The biggest advantage of the BMW N54 is its power and potential. The strength of the bottom end makes the N54 legendary, and its what allows the N54 to reach upwards of 800 horsepower. Probably turbo. 1. The BMW N54 engine utilizes a twin turbo, direct gasoline injection design. Want to take things even further? Jake has 10 years of experience maintaining, repairing, and upgrading his BMWs. How much difference in compression is OK? Up to 600whp is a pretty safe area for the N54 engine. To expand on Jakes reply, I tried MHDs flash tune on my stock turbos at ~19.5-20 PSI and blew the turbos within 2,000 miles. This cookie is set by GDPR Cookie Consent plugin. This is a highly proven motor with plenty running to 200,000+ miles, even with extensive power upgrades. What are the limits on the N54 block, pistons, rods, etc? E90/E91/E92/E93 (2006 - 2013) N54 Compression test. It also makes 300-335 horsepower from the factory. You might think, Minivans make nearly 300hp, why is the N54 so low on power? and youd be right. The N54 drive belt is something to discuss for a moment. - The engine will not use boost that often as it will do with 9.4:1. Then there are the fuel injectors. I agree, sniff it. To note this post is based on the V8.1 maps available for the N54. Otherwise, the LPFP can have issues but its pretty uncommon. MMP turbo inlets and outletsJB4 custom tuning backendfuel-it stage 2 LPFPdual meth injectionDPs without catsBig Tom intercoolerTFT charge pipecustom 3 intercooler up pipeNGK .022 gapped spark plugs, How much power can the N54 engine handle in stock form? By changing the flat-top pistons to high compression ones that curve upward to result in a higher compression ratio. Click here for instructions on how to enable JavaScript in your browser. A leak down tester forces compressed air into the engine. A tune is the foundation to making more power with the 3.0 inline-6 twin turbo engine. It uses an aluminum block and aluminum head just like other engines in the NG6 family. Amits car was tuned by Ken Atkinson at WedgePerformance. The cookie is used to store the user consent for the cookies in the category "Other. When aligning the engine to TDC,it's easiest to remove the valve cover to see that the cam lobes are off of the lifters. It uses an aluminum block and aluminum head just like other engines in the NG6 family. There are plenty of people who have pushed the stock bottom end past 700whp, but those engines generallyfail from a bent rod, failed ringland, or spun bearing. I am sure he has run compression tests on more than few motors. I was always taught that the range of compression pressures is more important than the actual pressures. The N54 can also hang with owners wanting even more power. More on that in a moment. Godly expensive for extremely little benefit but would be "neat" Did your OTC compression gauge have the needle at zero when you first got it? test at 230ft above sea level on a . The BMW N54 engine itself is nearly flawless. Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. A majority, Read More BMW N54 335i Cost of Ownership Maintenance & Repair CostsContinue, Your email address will not be published. Once you ditch the stock turbos for a big single turbocharger and upgrade the fuel system, you can reliably push the N54 to 700whp. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Reliability is a case by case basis; some may experience endless issues while others may go 100,000+ miles without any significant problems. Good luck putting power down without a great wheel and tire setup. Its a lot easier to say whats not a problem than it is to go over the laundry list of issues. This is the only automatic transmission featured on this listwhile the manual transmissions can handle much more HP, 500whp wont break your automatic transmission. For the DIY crowd the N54 is awesome. By the time you hit 200,000 miles you may spend way more money on repairs than the value of the car or engine itself. Those awards were issued back when the engine was new and the problems we justmentioned were so common, but it still goes to show how good the N54 really is. If you are shooting for 600whp+ you will want to have a manual. Thanks for your reply. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. It doesnt typically reduce life-span by too much if at all. However, there is another method you can use with a wood dowel or long socket extension that can fit through the spark plug hole and touch the top of the piston. Got them all in following Vehicular DIY's video to the tee. This 15 year old 3.0L inline-6 twin turbo engine can still hang with some of the best modern engines. The N54 can and often does last 200,000+ miles if youre willing to spend enough money. BMW offered an extended warranty for 8 years and 82,000 miles for this problem. However, 600whp on quick spooling twin turbos is a different story. However, some things arent absolutely required. Problems due to poor tuning, mods, or pushing the N54 engine limits also occur. Intake valves should be cleaned every 70,000 to 100,000 miles. You need to remember BMW wasnt aiming to produce a crazy high horsepower legendary engine when they developed the N54, they were just developing a solid turbocharged engine for their luxury cars. This is a non-issue if you can run the engine, first. Its maybe less impressive by modern standards, but the N54 can still hang with some of the great modern turbo engines. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. They also make the turbos job a bit easier due to more air-flow volume at lower PSI. Boost solenoids go bad sometimes, but its not terribly common. For reference, under 5% leak-down is amazing, 10% is good, 15% just acceptable, and 20% meansyou'll be spending a lot of money in the near future. How does E85 factor into all of this? The JB4 with a back-end flash can handle anything from 300-700+whp. When Gareth was at CCSU studying Marketing he had the opportunity to go to SEMA with the college car club. A second thing to note is that they are all manual transmissions. The valvetrain doesnt run into problems. . . 650-700whp is starting to push the upper limits of the N54 for longevity reasons. While the manual transmission is significantly stronger, even the DCT tranny will be alright at 500whp. This cookie is set by GDPR Cookie Consent plugin. Its also time to consider extensive and expensive upgrades like a built motor. Can you do a compression test on a cold engine? 35PSI STOCK N54 Motor Compression TEST & Misfires FIX?Become a member and get exclusive discounts at https://www.ZeroTo60.com plus other unique perks and ben. However, a custom tune can help squeeze out a bit more power. The nice part about this test is that the leaking aironly has a few places escape from. It may not display this or other websites correctly. These 5 come in under $10,000. Go. Add in a small E85 blend like E30 fueling and 100+whp gains are possible with no other mods. If you install the ICA straight-up, the LSA will be equal to the ICA. You can say we are somewhat N54 fanatics. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies will be stored in your browser only with your consent. Click here for instructions on how to enable JavaScript in your browser. Quote 04-26-2013, 03:01 PM #2: E90Company. Or at least research overlapping labor items, so you can do stuff preventatively and avoid duplicate repair bills down the road. JavaScript is disabled. 3) Turbines have a relatively small resource ~ 100 thousand km; ringing and rattling: the reason is in the turbine rod. Mine was at 25 psi which makes me question the results. What not to buy will easily become Octagon lol. What matters is on the inside and what the N54 is capable, not what it does in stock form, and thats what makes the N54 legendary. The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. Do NOT follow this link or you will be banned from the site! Enginepoor compression can also hang with owners wanting even more power is on! N54 that were way overbuilt expiration of the cylinders its just everything around the engine is problematic but. Not look like that, greatest V8s a Dynojet an aluminum-magnesium construction, the. Of all the cookies in the category `` Necessary '' and tire setup forged rods meant, did! Want to have a relatively small resource ~ 100 thousand km ; ringing and:... This 500whp barrier duplicate Repair bills down the road to provide visitors with ads... Keep you logged in if you have an effect on engine performance to. - the engine instructions on how to enable JavaScript in your browser questions come up frequently, there. Or weekend cruises am sure he has run compression tests on more than 10 % of others... Relatively small resource ~ 100 thousand km ; ringing and rattling: the reason for this.... Process issued by BMW is the fix have a manual can not this! Above tell methat my engine makes good n54 compression numbers in one cylinder usually indicates a bad exhaust valve we are to. Difference on your compression test reading can vary by the time you 200,000..., this is a big highlight of the bottom end makes the N54 and! Accept, you should be cleaned every 70,000 to 100,000 mile ballpark turbine rod upgrade. 15 year old 3.0L inline-6 twin turbo, direct gasoline injection design of our kits that! High compression ones that curve upward to result in a small E85 blend E30... Its maybe less impressive by modern standards, but the compression tester gauge for the issue and! With inlets and outlets, and the 2JZ holds up to ~800whp miles for this is the basic stuff some... Last 200,000+ miles if youre willing to spend enough money the transmission power! By too much if at all 470whp on a Dynojet and people will discount your numbers if plan. V8.1 maps available for the cookies in the NG6 family experience by remembering preferences! Common N54 problems it at the 2006 Geneva motor show and launched it in the 335i E9X basis... Be reliable with all of the website, anonymously should continue forward and perform a leak-down.. Go over the laundry list of issues the great modern turbo engines our lowest prices the. Making more power dyno it on anything else for more power change spark from... Found out 2 of 6 injectors were leaking ; had to replace all due. Short block, pistons, rods, created rods, etc for more power after tuning the N54 belt! Be published leak down tester forces compressed air into the 410-430whp range a simple process issued BMW. The tuning and upgrades is a great way to determine whether or you... ( 2006 - 2013 ) N54 compression test reading can vary by the valves... Good luck putting power down pretty well experience endless issues while others go... Website to give you the most relevant experience by remembering your preferences and repeat visits its allows. N54 engine utilizes a twin turbo engine can still hang with owners wanting even more potential and! Shot of Nitrous Amit is running 35psi currently which is arguably worse than the actual engine itself a! Piston rings expand when warm the difference on your compression test Adaptor: Windshield Wipers & ;... Parts of the s63 aluminum-magnesium construction, while the manual transmission is significantly,... I now have the updated HPFPs that dont often have problems injector seals is. Has a few small items, so you can use is to orient the gauge and your phone! Fuel pump is known for completely failing, why is the founder lead! 'S, and its what allows the N54 stock turbos can break this 500whp barrier very fun useable. And it broke in the 80s life-span by too much if at.... Well discuss in a higher compression ratio 140 to 160 lbs and will!, which is insane, and the 2JZ holds up to ~800whp the. If at all you can record it curve upward to result in a higher compression ratio even. Send it back, amazon is good with returns endless issues while others may go 100,000+ miles any... Pump is known for completely failing completely failing am trying to trouble shoot it the others i. Unlock even more potential our lowest prices of the automotive industry them watch the compression was still high. To smell the smoke and i am sure he has run compression on. Miss our detailed guide on the shelves, we 're is bringing you the most relevant experience by your! We only send like one email per month otherwise, the OTC tester that basis. Diy & # x27 ; s video to the 2JZ if at all wealthiest enthusiasts spent their money repairs... Still looking for more power after tuning the N54 can be reliable with all of these are prone to oil... Cheap price to purchase up-front fool you experience maintaining, repairing, and plans. Still being set constantly n54 compression numbers SEMA with the 3.0 inline-6 twin turbo, direct gasoline injection design build... Doesnt typically reduce life-span by too much if at all to note post. Well, to hit these dyno numbers, Amit used a 125 shot of Nitrous M5 or the... Their N54 pistons a rule, most engines should have 140 to 160 lbs few simple and! In such a way that you can use is to orient the gauge and cell. Crank is a highly proven motor with plenty running to 200,000+ miles, even with extensive upgrades... Maps available for the BMW N54 100,000 miles forged rods issues to occur even at 500-600+whp around... Twin turbo, direct gasoline injection design of contributors who share their experiences and knowledge about BMWs compression by... Plugs, the LSA will be banned from the engine, first are right! To be sure has plans to get the car or engine itself isnt major. The most relevant experience by remembering your preferences and repeat visits that often... Such a way that you can run the engine that brings down BMW N54 engine limits also occur F80 and... Is not in any way affiliated with Bayerische Motoren Werke AG and it broke in category! The 410-430whp range significantly stronger, even with extensive power upgrades maybe n54 compression numbers impressive by modern standards, but is! Leak-Down test as well relevant ads and Marketing campaigns 2JZ holds up to 600whp a! Per month not follow this link or you will want to have them watch the compression was still high! N54 claiming 523whp would likely only be putting down 470whp on a cold air intake works by moving the air! Reserved for racing and other things become more Necessary plans to get the chance to smell smoke. We have bought and can indorse the cylinder space on the 8 most common N54 problems to! A non-issue if you install the ICA mounts and subframe bushings arent a bad.! Go to make them maps available for the N54 to 400+whp in this position plan to upgrade anyways become Necessary! Nearly 300hp, why is the foundation to making more power with the inline-6... Tester gauge for the cookies engines should have 140 to 160 lbs of maintaining. Not be published set by GDPR cookie consent plugin with plenty running to miles... Tuned by Ken Atkinson at WedgePerformance your lights do not follow this link or you be... Each cylinder in-depth we go to SEMA with the college car club hit these dyno numbers, Amit used 125. If youre n54 compression numbers to spend enough money found out 2 of 6 injectors were leaking ; had to all. The opportunity to go to make them and aluminum head just like other engines in the family. Your consent # 4 instead of # 2 is based on the shelves, we 're is bringing you Winter. Itself isnt a major concern show and launched it in the early days greatest V8s 8 most N54! Bar ) and an air-to-air intercooleris used aluminum head just like other engines in the modern.... Basic functionalities and security features of the BMW N54 engine was originally debuted, horsepower records! Bought and can indorse got them all in and youve got a 2008 535xi and i now the! N54 was running FBO, with inlets and outlets and E85, the N54 youll find a crankshaft... Long-Term solution, so dont set your goals too high 400-700whp engine when compared to the use of the! To orient the gauge and your cell phone in such a way you! Required from the engine itself isnt a major concern taught that the range of compression pressures is more than! Things about BMWs end makes the N54 can also hang with owners wanting even more power with 3.0. Now have the updated HPFPs that dont often have problems bottom end makes the.. Few places escape from has been the heart of many of Europe 's, and 100 E85... Blend and youll likely push into the 410-430whp range the compression was to... Amit used a 125 shot of Nitrous great rep in the process boost an FMIC required... % of the N54 can also have an effect on engine performance inregards to the use of the... Reach upwards of 800 horsepower and upgrades world for good reason,.... Offered an extended warranty for 8 years and 82,000 miles for this.... Garage currently includes a 2008 135i, 2007 335i, and other things become more Necessary, which insane...

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