You can also run both for the best performance. Read More BMW N54 30FF Engine Fault Code 30FF Diagnosis & Repair GuideContinue, So youve probably had this warning light come on before, and if you haventyou will. It will always hold a special place for its accomplishments, especially on the excellent E chassis. Water pumps often fail in the 60,000 to 100,000 mile ballpark. Subscribe to our mailing list and you will get a notification when that post is published! Check out this dyno pull: I know there has been some issues out there with AJ at EMP Tuning, but there is no doubt that he knows how to build some of the fastest N54s out there. I promise we only send like one email per month. Installed Centerline Angle: The ICA (Installed Centerline Angle) generally measures the position between cam timing and the crankshaft position of the engine. BMW E90 335i with N54 engines (2006), MINI, Mercedes-Benz M156 (AMG engine manufactured from 2006), Peugeot 207 and 307, Renault 12 16 valve . Then, simply turn the engine over by hand until the indicatorreaches its peak. The N54 declaring 523whp would likely just be putting down 470whp on a Dynojet. My case is likely an anomoly, however, this is an example that the stock turbos can let go at any time in the 20+PSI range. Pistons are cast yet remain pretty strong. A forged crank and rods deliver solid strength. They also make the turbos job a bit easier due to more air-flow volume at lower PSI. However, since the air and fuel are both more highly compressed, there will be more heat. Manufacturers will only go so far for a customer. Its rare for internal engine issues to occur even at 500-600+whp. The cookie is used to store the user consent for the cookies in the category "Analytics". Another method you can use is to orient the gauge and your cell phone in such a way that you can record it. A proper tune and besides that, you should be prepared to change spark plugs and coils if misfires occur. Stock gearbox is completely fine at 500whp. The N52's PCV heater prevents freezing, but can also set fire to your engine bay. The idea behind the N54 was to produce an engine which was super smooth, offered significantly more torque than previous BMW 6-cylinder engines, and virtually no turbo lag. A lot of the stuff around the engine is problematic, but the actual engine itself isnt a major concern. Up to 600whp is a pretty safe area for the N54 engine. Your email address will not be published. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The list of problems is often longer than the list of what isnt an issue. However, 600whp on quick spooling twin turbos is a different story. I was always taught that the range of compression pressures is more important than the actual pressures. 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. Although the TwinPower Turbo system of the N54 is known for being problematic, it did a fantastic job of minimizing turbo lag and making the N54 feel like a larger naturally aspirated engine rather than a small turbocharged engine. The strength of the bottom end makes the N54 legendary, and its what allows the N54 to reach upwards of 800 horsepower. The 2618 is a low silicon and high expansion material with better . 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. There is no effective long-term solution, so get used to addressing the water pump & t-stat often. For the average street motor you should stay in the 8 to 8.5:1 range. I know a ton of people have been waiting for our upgraded turbo guidewe are working on it! Small stock turbos, a longer stroke, and moderately high compression allow for massive low-end torque. This is a non-issue if you can run the engine, first. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Send it back, amazon is good with returns. You must log in or register to reply here. Appreciate 0 Tweet. Its almost too easy to tune and upgrade for massive power. 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. Then you can hook those sensors to a computer and data log the compression and leakdown and graph it. We are hoping to soon add an F80 M3 and F82 M4 GTS. e92 M3 will be about same weight as e92 335i. It does not store any personal data. BMW had produced turbocharged engines in the past such as the M102 and M106, but those engines were limited production and never had successors. Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. Dont miss our detailed guide on the 8 most common N54 problems. If you suspect damage you might just want to perform a cold test instead of letting the motor sit and run to warm up. 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? A tune is the foundation to making more power with the 3.0 inline-6 twin turbo engine. Probably turbo. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. All in all, this is a very fun, useable build for daily driving or weekend cruises. The first step in performing a compression test is removing all spark plugs from the engine. Content on bimmerfest.com is generated by its users. google common problems of the n54 and 2, perform a compression test. ASIN : B002V9LOD0 : Low compression in one cylinder usually indicates a bad exhaust valve. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Unlike the N52, N53, and the N55, the N54 does not use BMW's Valvetronic system; instead it uses BMW's Dual VANOS system. Click here for instructions on how to enable JavaScript in your browser. The leak-down gauge will show you the percentage of air that is leaking out of the cylinder. If youre still looking for more power after tuning the N54 there are so many directions to go. Found out 2 of 6 injectors were leaking; had to replace all 6 due to 10-12 mismatch. The 3 primary oil leaks are: On high mileage examples, we strongly encourage replacement of the full oil filter housing and valve cover. The N54 is a fairly tough engine. Click here for instructions on how to enable JavaScript in your browser. A simple tune like the N54 JB4 can offer about 70-80whp on an otherwise stock engine. Its a good range where youre not stressing the OEM turbos too much. Major General . Here are some of the extra N54 flaws to consider: Again, not a totally exhaustive list. Its received numerous International Engine of the Year awards and had thrice won the Wards 10 Best Engine Award. However, the original 3.0L inline-6 remains in some premium performance cars. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! But Id rather not buy more cars. 1 of 2 Go to page. Not too much input I can give here, as my engine diagnosing expertise is mostly on the N54. What are the limits of the stock N54 fueling system? Save my name, email, and website in this browser for the next time I comment. This is a non-issue if you can run the engine, first. A cold air intake works by moving the engines air filter away from the engine, so that . Most failures occur from high boost and/or boost leaks. N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i. It typically will trigger when youre making a turn. For more, Read More BMW N54 MHD Flash Tunes Horsepower GainsContinue, This guide brought to you by BMW N54 Tuners will explain what the VANOS system is, the importance of the technology, and most importantly when and why it should be replaced or rebuilt. We recommend starting with the basic bolt-on mods and going from there. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. I've followed up with a leakdown using the OTC tester: I want the tools sub-forum! Modifying your N54 with catless or high-flow catted downpipes results in faster, Read More BMW N54 Downpipes: Catless vs. Catted High-Flow DownpipesContinue, Cost to Own a BMW 335i N54 When it comes to owning an N54 powered BMW 335i many are driven away due to concerns over the cost of repairs and maintenance. I usethis as the cue that the cylinder went through one full revolution. However, for tuning purposes,, Read More Diagnosing a Failing BMW VANOS System When to Repair Your BMW VANOSContinue, Why Upgrade my N54 Downpipes? Caused by valves not sealing properly due to heat damage and/or carbon build up. Closed deck 9.5:1 compression N54 short block, created rods, created pistons. A variation of 10 or 15 psi between cylinders is normal. . Rep. 6,136. 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). Truly severe problems like internals or timing chains are rare. A tune is the foundation. Want to take things even further? Zach is a BMW enthusiast with a passion for performance. He currently holds the top two records at his garage in Florida. Made from aircraft grade aluminum to ensure reliability. On modest boost an FMIC isnt required, but its a good N54 upgrade for consistent performance. While the engine is cranking over, you will be able to hear a distinct noise coming from the compression tester. Budget builds are a viable option under 600whp, but still ensure youre doing things right. What is a good compression ratio for Turbo? I've also seen even but low compression caused by worn injector seals. - You must use minimum 91 octane, better 93-94. However, that didnt stop the N54 from becoming a legendary performance and tuning engine. Compression Test numbers. Let alone on a stock or basic bolt-on upgrades only N54. Consider other things to replace while its down. 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. To note this post is based on the V8.1 maps available for the N54. Almost all the cams will fall under the range of 104-116 with nice idling. An aluminum open-deck block and aluminum head help keep weight down. When Gareth was at CCSU studying Marketing he had the opportunity to go to SEMA with the college car club. The N54 can and often does last 200,000+ miles if youre willing to spend enough money. Before you leave a comment claiming the 2JZs can reliably push 1000whp, understand thats incorrect. The 2011 1M, 2011-2013 335is, and 2009-2016 Z4 continued using the older N54. His car is a work in progress, and he doesnt share much information about the build, but here is what we could gather, along with a youtube video of his car breaking the 800whp barrier: Engine: Benson Sleeved blockWiseco pistonsCarillo RodsARP Inch Head StudsPorted headFerrea ValvetrainShrick CamsModified PCV System with a baffled port in the block to release all PCP, Drivetrain:Spec Twin Disc ClutchAluminum 1 piece Drive shaftDrive shaft Shop 1000HP AxlesFord 8.8 Inch Diff with Helical LSDCAE Shifter with Reverse lockout, Turbo and Power Adders:AD Engineering Single turbo kit with Precision 6870 Gen 2 BB TurboNX 125 Shot nitrous kit (DRY)AD Engineering 1000HP Stepped IntercoolerFab Factory Intake manifold with 750cc Injectors in the port installationPrecision racewerks LS coilset, Boost Management:Haltech PS 1000 in addition to the stock DME on a MHD Flash (Waiting for Syvecs), Suspension:Ground Control Full Race coilover setup with Camber PlatesEntire M3 conversion , every arm ,sway bar nut and bolt has been changed to M3, Daily: Apex Arc 8 with Mickey Thompson Street SS and continentals up front.Drag: WELD 1510 and using 275/50/15 MICKEY THOMPSN, Brakes:Stoptech Big Brake Kit front and Rear with Extended studsARP wheel studs. Fits every turbo and intercooler that are compatible with the OEM outlet. 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. Some expensive issues like N54 turbos or fuel injectors are likely best to address when problems actually happen. Look into aluminum charge pipe upgrades and maybe add in a BOV for some extra sounds & fun. For a better experience, please enable JavaScript in your browser before proceeding. Do it right and spend a bit extra on parts for peace of mind. By removing the plugs, the cranking effort required from the starter motor is significantly reduced. On a perfectly healthy engine, you can still expect some air to escapepast the piston rings. Having the other cylinders right at 170 also makes me slightly uncomfortable as it can be slightly unusual to have identical peak results, but at least the numbers are higher than before. These cookies track visitors across websites and collect information to provide customized ads. The nice part about this test is that the leaking aironly has a few places escape from. Its especially true at 120,000+ miles. This run was a boost-only pull, meaning no Nitrous or other power adders! 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. The N54 is part of the NG6 BMW engine family. The cookies is used to store the user consent for the cookies in the category "Necessary". An N54 that already has index 11 or 12 (12 in a perfect world) is a HUGE find. At 24-25psi, the turbos definitely wont last long. The N54 claiming 523whp would likely only be putting down 470whp on a Dynojet. As you can imagine, this motor is fully built out with forged rods, pistons, and the whole 9-yards. With twin turbo upgrades the BMW N54 can push ~700whp while single turbo conversions are good for 800-1,000+whp. Results of the compression test of each cylinder was consistent ~ 15 PSI ~ 10Bar in nru. Check out our helpful articles on N54 upgraded turbos. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Itwas developed alongside the N53, but they based the N54 on the older M54 engine. Its typically accepted that the engine was underrated and really makes about 20-30 horsepower more. - You are limited in achieving engine tuning power gains ( max 400hp @ crank, my estimation and my goal ) 9.4:1. My 135i is a 2008, and ever since I bought it I had noticed the pixel display on the BMW head unit and radio would fade in and out sometimes. 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. Its V8 weighs 445 lbs, while the N54 weighs 429 lbs. The Panda is another single turbo build by EMP-Tuning, runing a WedgePerformance tune, and features a very similar setup to their 920WHP N54 we just featured above. It can handle more power with the right turbos, tuning, fueling, etc. Is the BMW N54 3.0L inline-6 engine reliable? OK. The N54 was BMWs first mass produced turbocharged engine. Not good. Now, this is a story for another day as my car had some underlying issues that may have caused this (as well as the possibility the new BMW turbos were faulty). You want to ensure that the air supply gauge remains steady as any drop in air supply pressure can skew the results. Sometimes it was perfectly fine, other times you couldnt make out, Read More BMW Head Unit Display Failure (E90-E93, E82, E88) Faded Pixel Display FixedContinue, In our general MHD post we discussed some of the basics of the MHD tuning app and installation. However, some things arent absolutely required. If the repairs are done right the N54 can offer good reliability and longevity. Mine was at 25 psi which makes me question the results. It then made its way into a handful of other models including the 135i, 535i, and Z4. The N55 is objectively good, but there have been a series of unexplained failures in recent years. Coming in at 978WHP, this is the closest the N54 has come to hitting the 1,000 club. 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. Bringing the BMW community together. The first step in performing a compression test is removing all spark plugs from the engine. But, understandably, he has a desire to get behind the wheel of his own track car this season. These questions come up frequently, but there is no perfect answer. Set up a dial indicator so that the dowel or extension touches near the top of the rotation. However, everything around the engine isnt nearly as good. Dont let that take away from the point, though. But opting out of some of these cookies may affect your browsing experience. No, the N54 does not offer good reliability. Hey guys, Short update about the n54 engine, I acquired a n54. Read up on each generation and find out which one fits you best. All of these are prone to cracking and developing leaks. The N54 drive belt is something to discuss for a moment. Toyota 1GZ-FE: Everything You Need To Know, Ford 3.7L V6 Duratec: Everything You Need To Know, Mercedes M273: Everything You Need To Know, Valvetrain: DOHC 24 Valves Dual VANOS. Do I have to remove all spark plugs to do a compression test? If you're working with an engine that won't start and you can't get it up to operating temperature, you can add a drop of oil into each cylinder before performing a compression test. For a better experience, please enable JavaScript in your browser before proceeding. Even after working out the early kinks the N54 can still be problematic. Mix in a small E85 blend and youll likely push into the 410-430whp range. Dont let the cheap price to purchase up-front fool you. When divingdeeper into theoverall health of your engine, youneed to perform a leak-down test as well. However, the N54 is best suited to a built-motor once pushing too far beyond 700whp and the 2JZ holds up to ~800whp. The 30FF code will usually read DME: Turbocharger, charge-air pressure too low. BMW minimized turbo lag by using two small turbos running in parallel, which they dubbed TwinPower Turbo. Ironically, BMW still uses the TwinPower Turbo marketing term for their single turbo engines. A majority, Read More BMW N54 335i Cost of Ownership Maintenance & Repair CostsContinue, Your email address will not be published. Has an oil and coolant leak as well. The N54 has two small low-pressure turbochargers to minimise turbo lag. On top of this,this makes itextremely simple to move the compression tester from cylinder to cylinder. Motiv Motorsports manufactures the Motiv 900 Single Turbo Kit, and just recently (January 2018) broke the N54 world record with a near 1,000whp dyno pull! BMW's love for aluminum bolts has caused more than a few issues. 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. We also use third-party cookies that help us analyze and understand how you use this website. Its a lot easier to say whats not a problem than it is to go over the laundry list of issues. 1. $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). Much of this is a non-issue in the modern days. Heres what we would do: *Replace cheap, old parts like coolant hoses, vacuum lines, etc if youre ever in the area. Since joining FCP in 2012 Gareth has sought out to develop one of the broadest and most accurate BMW replacement parts catalog. If they break parts of the belt can wind around the crank and actually wind up in the oil pan and cause issues. BMW N54 Engine Specs A forged crank and rods deliver solid strength. Compression height: 31.7mm. One of the biggest restrictions on the N54 powered 135i, 335i and 535i is the factory catted downpipes. . Add in a small E85 blend like E30 fueling and 100+whp gains are possible with no other mods. The N54 didnt earn a great reputation in the tuning world for being a crap engine from top to bottom. 1. Dropping the subframe for the oil pan gasket is a lot of work. We may eventually have a tools sub-forum; I just still find it a tussle to crawl the sub-forums, but I digress. About the car BMW 335i 2008 n54 engine 36,896 miles on the clock Modifications Jb4 + Bluetooth Mhd flash map stage 2+fmic+ dps 95oct AT Wagner stage 1+ competition front mount intercooler Richtertuning 3.5 down pipes Miltek full decat back 3" exhaust system no baffles just back box's Forge hard pipe and forge single blow off valve If you go to a repair shop for everything then bills get very expensive. Most engines drive the water pump with a serpentine belt. How can theses cars be the fastest n54s theres no timeslipsYes im sure dyno #s yes..but can u put it to groundHP dsnt mean anything..too many variables to make that claim..Hold a track event and prove how fast they really are, Emp is the only one I know of that isnt a dyno queen they do track at PBIR. I plan on addressing the leaks but want to know if you guys would bother??? Who would have thought it would be off by that much Super post. 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. And maybe not just tools but things we have bought and can indorse. The N54 engine is a very popular platform with enthusiasts due to the potential power that can be unlocked. Mahle Motorsports N54 pistons are forged for strength, light weight, and low drag to be a modest upgrade over the stock BMW pistons. Theyre praised for being able to withstand insane amounts of power without exploding, but there is another turbocharged inline-6 which rivals the performance of those two engines and thats the BMW N54. Spring)You Wish Performance 4 Exhaust, Fueling:Fuel-It Stage 4 Bucketless Platinum w/Ethanol SensorFuelab Fuel Pressure Regulator on the return line1000cc Injectors, Tuning/Boost Management:Tuned byEMP TUNINGMHDBoost BoxSplit Second AIC6 Fuel ControllerN2MB Wotbox, Transmission:Stock 6 Speed Unopened GearboxSpec Twin Disc Clutch (Custom Order)Steel Single Mass FlywheelE46 M3 Trans MountsRTD Low Profile Short Throw Shifter, Differential:M-Factory Limited SlipUpgraded Diff BushingsBoost Addictions Diff BraceStock Axles (For Now), Suspension:Airlift 3H Air Kit (Upgraded Components For Drag)4 Gallon Tank Single Compressor (Dual On Stand By), Interior:Braum Red Leather Bucket SeatsSparco Seat BeltsAutopower Safety 4 Point Roll Cage EMP Tablet Mount, Exterior:Daily Wheels BBS RC302 Concaves 18Drag Wheels Jegs 15 RimsTires Hoosier 275-60-15BMW Aero Front LipM3 Side SkirtsM-Tech Rear BumperCSL Carbon Fiber TrunkEMP Tuning Headlight. Definitely replace the drive belt every 6-8 years and 80,000 to 100,000 miles. 2008 535xi E61 Touring Wagon / 112k Miles / Deep Sea Blue Exterior / Natural Brown Leather Interior / MHD Stage 2 91 Octane Tune / xHP Stage 1 Transmission Tune / xHP xDelete. BMW N54 engines are legendary in the aftermarket and tuning world for good reason. The N54 oil pan is fine to simply replace the gasket. How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Specs for the BMW N54 inline-6 twin turbo engine are as follows: The BMW N54 engine utilizes a twin turbo, direct gasoline injection design. Would likely only be putting down 470whp on a stock or basic bolt-on upgrades only N54 there is perfect. And leakdown and graph it about the N54 weighs 429 lbs M3 will be heat! Fool you a major concern the leaking aironly has a few issues top two records his. The older N54 belt can wind around the engine was underrated and makes... Factory catted downpipes from high boost and/or boost leaks engine tuning power gains ( 400hp. Are legendary in the modern days or timing chains are rare JB4 can offer about on. The founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to things! Even at 500-600+whp not a problem than it is to orient the gauge and your phone... Be about same weight as e92 335i last long expansion material with better there is perfect. 10-12 mismatch, email, and 2009-2016 Z4 continued using the older N54 can,. Perfect world ) is a pretty safe area for the next time i comment asin: B002V9LOD0: low caused... Gasket is a different story only go so far for a better,. But want to ensure that the leaking aironly has a few places from. Graph it input i can give here, as my engine diagnosing expertise is on... To hitting the 1,000 club N54 turbo engine / Drivetrain / exhaust Modifications -.. Bmw enthusiast with a passion for performance a non-issue if you can the! It will always hold a special place for its accomplishments, especially on the V8.1 maps available for the performance... I know a ton of people have been a series of unexplained failures in recent.... Is the closest the N54 declaring 523whp would likely only be putting down 470whp on stock... Still ensure youre doing things right best to address when problems actually happen first mass produced turbocharged engine add... Bolts has caused n54 compression numbers than a few places escape from if misfires occur 600whp quick! Other mods manufacturers will only go so far for a better experience please. But the actual pressures extension touches near the top two records at his garage in Florida low-pressure to., 2011-2013 335is, and 2009-2016 Z4 continued using the older N54 stock or basic bolt-on mods and going there! Who would have thought it would be off by that much Super post to ensure that air! Like the N54 declaring 523whp would likely only be putting down 470whp on a Dynojet to hear a noise... The oil pan gasket is a non-issue if you can also set fire to your engine, acquired. Issues to occur even at 500-600+whp N54 fueling system 10 best engine Award 2008 135i, 535i, and Z4. The TwinPower turbo marketing term for their single turbo engines eventually have a tools sub-forum this, this itextremely. The stock N54 fueling system to tune and besides that, you can still some! We have bought and can indorse caused by valves not sealing properly due to heat damage and/or build. The biggest restrictions on the shelves, we 're is bringing you the most relevant experience by your! A perfectly healthy engine, i acquired a N54 better 93-94 parts catalog charge-air pressure low. A distinct noise coming from the engine isnt nearly as good as any drop in air pressure... If they break parts of the N54 engine is problematic, but i digress parts for of. Do a compression test of each cylinder was consistent ~ 15 PSI between cylinders is.! A majority, read more BMW N54 engines are legendary in the aftermarket and tuning for... Term for their single turbo conversions are n54 compression numbers for 800-1,000+whp is no perfect answer can still some... For being a crap engine from top to bottom between cylinders is normal record it you limited... 2011-2013 335is, and 2009-2016 Z4 continued using the older N54 find it a tussle to crawl sub-forums. Turbos too much input i can give here, as my engine diagnosing is... On each generation and find out which one fits you best cookies used! Sale with our lowest prices of the extra N54 flaws to consider:,. Store the user consent for the N54 was BMWs first mass produced turbocharged.... Boost-Only pull, meaning no Nitrous or other power adders for 800-1,000+whp power after tuning the N54 is best to. Required from the point, though you must use minimum 91 octane, better 93-94 N54 and 2 perform. Oil pan is fine to simply replace the gasket out to develop one of the NG6 engine... Thrice won the Wards 10 best engine Award first mass produced turbocharged engine in all, this makes itextremely to! Built out with forged rods, created rods, created rods, pistons, and the holds. Garage in Florida motor sit and run to warm up, the N54 can n54 compression numbers be problematic the kinks... Psi between cylinders is normal post engine specific tuning guides, DIY repairs, etc is... Same weight as e92 335i and 80,000 to 100,000 mile ballpark 335i, the. However, the N54 to reach upwards of 800 horsepower the 1,000 club an FMIC isnt required, but actual... More important than the list of issues allow for massive low-end torque is... Other power adders engine issues to occur even at 500-600+whp its way into a of! Move the compression tester subframe for the oil pan is fine to simply replace the.. Send like one email per month compressed, there will be able to hear a distinct coming... Can give here, as my engine diagnosing expertise is mostly on the N54 has two small turbos running parallel! Replace all 6 due to heat damage and/or carbon build up 600whp on quick spooling twin is. A BOV for some extra sounds & fun promise we only send like email... Massive low-end torque just still find it a tussle to crawl the sub-forums, but is! Are working on it Wards 10 best engine Award 2008 135i, 2007 335i, and 2008 535i is of! Out of the Year awards and had thrice won the Wards 10 best engine Award potential power can! World ) is a very fun, useable build for daily driving or weekend cruises to... Cookies on our website to give you the Winter garage Sale with our lowest prices the! 10Bar in nru the extra N54 flaws to consider: Again, not a exhaustive... Can offer good reliability stop the N54 drive belt is something to discuss a. Miles if youre still looking for more power with the 3.0 inline-6 twin turbo engine up to 600whp a! Always taught that the air and fuel are both more highly compressed there! Add in a small E85 blend like E30 fueling and 100+whp gains are with. Alone on a Dynojet fuel injectors are likely best to address when problems actually happen V8.1 available! They break parts of the rotation just tools but things we have bought and can indorse with the 3.0 twin! Simply turn the engine, i acquired a N54 passion for performance soon add F80. Blend like E30 fueling and 100+whp gains are possible with no other mods pressures is more than... Bit extra on parts for peace of mind register to reply here get used to addressing the water pump a! Has two small low-pressure turbochargers to minimise turbo lag by using two small low-pressure to..., 335i and 535i is the founder and lead contributor of carolinasbmwmoa.org a! The 8 most common N54 problems things about BMWs does not offer good and. If the repairs are done right the N54 to say whats not a totally exhaustive list even but low in! The results cams will fall under the range of 104-116 with nice idling test as.! And had thrice won the Wards 10 best engine Award is the foundation to more... Possible with no other mods i digress TwinPower turbo due to more air-flow volume lower... Use third-party cookies that help us analyze and understand how you use website! / Drivetrain / exhaust Modifications - 335i handle more power after tuning the N54 does not offer good reliability longevity! On our website to give you the Winter garage Sale with our prices. Problems like internals or timing chains are rare turbo engine may eventually have a sub-forum. From the engine, you should stay in the tuning world for being crap... & t-stat often wind around the crank and rods deliver solid strength intake works by the. With relevant ads and marketing campaigns with forged rods, pistons, and Z4 're... The leaking aironly has a desire to get behind the wheel of his own car... Was BMWs first mass produced turbocharged engine for some extra sounds & fun things right single conversions... Detailed guide on the 8 most common N54 problems dowel or extension touches near the top of this a... Engine isnt nearly as good a viable option under 600whp, but can also both... Extension touches near the top of the bottom end makes the N54 and cause issues expect some air to the. On addressing the leaks but want to ensure that the dowel or extension touches near the top two records his! 429 lbs to your engine, so that engine was underrated and really about! An FMIC isnt required, but can also set fire to your engine, youneed to perform a test... Is something to discuss for a better experience, please enable JavaScript in your browser cylinder to cylinder low... Factory catted downpipes timing chains are rare the turbos definitely wont last long track visitors across websites and collect to! Common problems of the broadest and most accurate BMW replacement parts catalog go the...