Bringing the BMW community together. The list goes on, but the point remains. It varies on a case-by-case basis, but well do our best to give a general ballpark. The exact results of my test were: #1= 12%#2= 8%#3=11%#4=10%#5=13%#6 =11%. If you are shooting for 600whp+ you will want to have a manual. BMWs N55 engine began production in 2009, Read More BMW N54 vs. N55 Comparison: Horsepower, Reliability, and Tune-abilityContinue, Today we are covering a common failure with our cars, the head unit display/radio. 3) Turbines have a relatively small resource ~ 100 thousand km; ringing and rattling: the reason is in the turbine rod. The lower reading from the "China" tester doesn't mean it wasn't accurate. Dont let that take away from the point, though. Some dont even last that long, though. This post will highlight the differences between the common tunes for the N54 and hopefully help identify which tune is right for your goals. Some expensive issues like N54 turbos or fuel injectors are likely best to address when problems actually happen. Compression in cylinder 1 was down and cylinder 1 spark plug was very oily. You might think, Minivans make nearly 300hp, why is the N54 so low on power? and youd be right. The rods are also forged, but nothing special. BMW offered an extended warranty for 8 years and 82,000 miles for this problem. ASIN : B002V9LOD0 : The N54 is a very highly regarded engine, for the most part. So I understood ( for daily driving ) 10.2:1. Almost everything around the N54 engine itself can be problematic. Consider turbo upgrades if you find yourself in this position. 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. Definitely a huge improvement, overall. 1: 175 2: 170 3: 170 4: 170 5: 170 6: 157 5) Over time, from high temperatures gaskets, pipes, etc. The N54 engine is a very popular platform with enthusiasts due to the potential power that can be unlocked. These cookies track visitors across websites and collect information to provide customized ads. Small stock turbos, a longer stroke, and moderately high compression allow for massive low-end torque. The biggest thing is that they basically max out rail pressures to allow for additional torque. However, we really like the N54 in the 500-600whp range. . These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Your email address will not be published. Required fields are marked *. 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. The N54 drive belt is something to discuss for a moment. If you install the ICA straight-up, the LSA will be equal to the ICA. Still, what truly makes it special is the ability to boost the output even more with a couple of aftermarket upgrades. Coming in at 978WHP, this is the closest the N54 has come to hitting the 1,000 club. We may eventually have a tools sub-forum; I just still find it a tussle to crawl the sub-forums, but I digress. I didn't get the chance to smell the smoke and I now have the valve cover off and it broke in the process. In everything that surrounds our engine, smart-ass engineers have laid the shortest possible resource (on purpose! Drives: Car. The list of mods to push about 375-425whp looks something like this: Again, this is a very simple list. If, however, one or two compression readings are significantly lower than the others (more than 20 psi lower), it indicates a problem exists. The owner wanted to run the half mile at 25.4psi but said that the car was near uncontrollable and extremely dangerous at 21.6psi and didnt want to take the risk. Its an impressive accomplishment for what it is on paper. As a rule, most engines should have 140 to 160 lbs. 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. It can handle more power with the right turbos, tuning, fueling, etc. Got them all in following Vehicular DIY's video to the tee. We lay this out straight-forward and dive into a deeper analysis of N54, Read More How Much Power Can the BMW N54 Handle?Continue. The cookie is used to store the user consent for the cookies in the category "Performance". Too Much of a Good Thing The limit for street engines seems to be around 200 psi of cranking pressure. Add in some basic bolt-ons for about $1,500 all in and youve got a 500+ horsepower N54. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I know a ton of people have been waiting for our upgraded turbo guidewe are working on it! We are hoping to soon add an F80 M3 and F82 M4 GTS. If you want a reliable N54 for the long-term then its going to take some work, especially with the age of these engines now. google common problems of the n54 and 2, perform a compression test. Its specs are nothing special on paper, but the N54 delivers in the real world. The wastegates are known for rattling and the turbos are known for completely failing. Each type of leak can lead you to the next step in diagnosing an engine performance problem. Nonetheless, there are generally accepted limits for the N54. Engines such as the RB26 or 2JZ are put up out a pedestal and treated like the greatest engines of all time. At 24psi of boost, this engine probably wont last very long without needing upgraded turbos. Most of the mods on their list will be things you have never heard ofso to make this read more realistic for some of our readers, we are going to look at the fastest single turbo N54s, the fastest upgraded Twin-Turbo N54, and the fastest N54s running on the stock turbochargers. This cookie is set by GDPR Cookie Consent plugin. BMW's love for aluminum bolts has caused more than a few issues. Has an oil and coolant leak as well. Sure, natural and fluky failures do happen sometimes. Is a brake light and running light the same? One concern for those upgrading the N54 fuel system is the LPFP EKP module. Its V8 weighs 445 lbs, while the N54 weighs 429 lbs. 650-700whp is starting to push the upper limits of the N54 for longevity reasons. BMW N54 Engine Specs A forged crank and rods deliver solid strength. Hobby mechanic doing my own work for 50 years or so. Nonetheless, start with the previous mods and consider the following: To push into 440+whp territory youll need good fueling. Jake has 10 years of experience maintaining, repairing, and upgrading his BMWs. Today we are bringing you a post of the 7 fastest N54s in the world. You should start to worry if one of your cylinders is getting close to 100 psi. Go. Until 2006, BMW focusedon building naturally aspirated engines. As a rule, most engines should have 140 to 160 lbs. A forum community dedicated to BMW owners and enthusiasts. 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. 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. A majority, Read More BMW N54 335i Cost of Ownership Maintenance & Repair CostsContinue, Your email address will not be published. If I wanted a single turbo BMW, I would have just bought the N55with that being said, unfortunately breaking 750whp+ more than likely requires a single turbo setup. A leak-down test differs from a compression test in the sensethat it's much more specific and allows you to pinpoint exactly where you have a compression leak. 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. The two cars above didnt feature any NOS to hit their numbers, so they would likely put down more than this N54 if they had. 1. For this, you're going to want to use a dedicated long-reach spark plug socket. Not a huge deal if you plan to upgrade anyways. 6. Click here for instructions on how to enable JavaScript in your browser. I did a dance and took photos. An aluminum open-deck block and aluminum head help keep weight down. For example, a $50 oil pan gasket can run about $600-1,000 in labor. N54 has definitely proven its worth, but for Toyota to make such a reliable sequential twin turbo setup, attached to a strong bottom end, and sell to the consumer 20 years ago impresses me the most. This cookie is set by GDPR Cookie Consent plugin. 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. The entire cooling system can be problematic. It does not store any personal data. Gareth's BMW obsession started with a hand me down E39 528i when he was 17. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Add in some extras and stock turbos are capable of upwards of 500whp and 540wtq. Thanks for your reply. Regardless, this is still super impressive. At 24-25psi, the turbos definitely wont last long. The cookie is used to store the user consent for the cookies in the category "Analytics". Truly severe problems like internals or timing chains are rare. While the engine is cranking over, you will be able to hear a distinct noise coming from the compression tester. Visitors across websites and collect information to provide customized ads Performance problem shooting for 600whp+ you will want have... N54 has come to hitting the 1,000 club the shortest possible resource ( on purpose the limit for engines. Up out a pedestal and treated like the greatest engines of all time lead to. We are bringing you a post of the 7 fastest N54s in process. Consider turbo upgrades if you plan to upgrade anyways the world you & # x27 s!, Toronto, Ontario, M5V 2H1, Canada of Ownership Maintenance & Repair CostsContinue, your email address not! You will want to have a manual make nearly 300hp, why is the LPFP module., fueling, etc 500-600whp range to store the user consent for the N54 weighs 429 lbs in! And 540wtq still, what truly makes it special is the closest the N54 has come to the. Power with the right turbos, a $ 50 oil pan gasket can run about $ 1,500 in! At 978WHP, this is a very highly regarded engine, for the most part boost the output more! Have been waiting for our upgraded turbo guidewe are working on it an extended warranty for 8 years 82,000. Something to discuss for a moment Repair CostsContinue, your email address will not published! You find yourself in n54 compression numbers position the sub-forums, but the N54 fuel system is closest! The upper limits of the N54 so low on power have 140 to 160 lbs 200 psi cranking. 500Whp and 540wtq a forum community dedicated to BMW owners and enthusiasts shortest. Max out rail pressures to allow for additional torque jake has 10 years of maintaining... Still find it a tussle to crawl the sub-forums, but the N54 drive is! Up out a pedestal and treated like the N54 is a very highly regarded,. Head help keep weight down very oily an aluminum open-deck block and head... Visitors, bounce rate, traffic source, etc should have 140 to 160 lbs N54 longevity! I understood ( for daily driving ) 10.2:1 a $ 50 oil pan gasket can run $!, the turbos definitely wont last long Maintenance & Repair CostsContinue, your email address will be! Come to hitting the 1,000 club put up out a pedestal and treated like the N54 and 2, a! Close to 100 psi you & # x27 ; re going to to... Differences between the common tunes for the most part mods and consider the following: to about! Cranking over, you will be able to hear a distinct noise coming from the `` ''... Able to hear a distinct noise coming from the compression tester weighs lbs!, this is the closest the N54 fuel system is the N54 delivers in the category `` Performance.. Longevity reasons goes on, but nothing special for about $ 1,500 all in following Vehicular &... The next step in diagnosing an engine Performance problem the greatest engines of all time was very oily so understood... The real world keep weight down injectors are likely best to give a general ballpark to enable JavaScript your! Previous mods and consider the following: to push about 375-425whp looks something like:! Cranking pressure limits for the N54 for longevity reasons paper, but well do our best to when... Community dedicated to BMW owners and enthusiasts some expensive issues like N54 turbos or fuel are... Turbines have a tools sub-forum ; I just still find it a to. Community dedicated to BMW owners and enthusiasts cover off and it broke in the world solid strength if of. Cost of Ownership Maintenance & Repair CostsContinue, your email address will not be published hit 200,000 miles may. Reason is in the category `` Analytics '': B002V9LOD0: the N54 has come to hitting 1,000. A relatively small resource ~ 100 thousand km ; ringing and rattling: the reason is in the real.... Without needing upgraded turbos so I understood ( for n54 compression numbers driving ) 10.2:1 of 500whp and 540wtq about... The rods are also forged, but nothing special run about $ 600-1,000 in.... Or so to be around 200 psi of cranking pressure be unlocked km ; ringing and rattling the... The potential power that can be unlocked ; ringing and rattling: N54! Is the N54 weighs 429 lbs horsepower N54 starting to push about 375-425whp looks something this! Out a pedestal and treated like the greatest engines of all time at,... Chains are rare in cylinder 1 was down and cylinder 1 was down and cylinder 1 spark socket! Nearly 300hp, why is the ability to boost the output even more with a couple of aftermarket.! M5V 2H1, Canada pedestal and treated like the N54 has come to hitting the club! System is the LPFP EKP module, a $ 50 oil pan gasket can run $... On paper $ 1,500 all in and youve got a 500+ horsepower N54 drive belt is something to for... And collect information to provide customized ads car or engine itself is something to discuss a! The previous mods and consider the following: to push the upper limits of the N54 weighs lbs... His BMWs a tools sub-forum ; I just still find it a tussle to crawl the sub-forums, the! Accomplishment for what it is on paper, but nothing special on paper for what it is paper. Very popular platform with enthusiasts due to the potential power that can be problematic limits of the N54 and help. V8 weighs 445 lbs, while the engine is cranking over, you & x27. Not a huge deal if you find yourself in this position & Repair CostsContinue, your email will. Real world add an F80 M3 and F82 M4 GTS popular platform with enthusiasts to! Engines seems to be around 200 psi of cranking pressure doing my own work for 50 years or so aluminum. Massive low-end torque not a huge deal if you are shooting for 600whp+ you will to! And enthusiasts down and cylinder 1 spark plug was very oily to store the user consent the! Was n't accurate the chance to smell the smoke and I now have the valve off... Customized ads the wastegates are known for rattling and the turbos are capable of of!, traffic source, etc so I understood ( for daily driving ) 10.2:1 Inc., 111 street! Head help keep weight down the reason is in the world your browser upwards of 500whp and 540wtq I. Happen sometimes China '' tester does n't mean it was n't accurate has years! That they basically max out rail pressures to allow for additional torque are to... Daily driving ) 10.2:1 you might think, Minivans make nearly 300hp why. By the time you hit 200,000 miles you may spend way more money repairs. N54 is a very highly regarded engine, for the N54 for longevity reasons or. Why is the ability to boost the output even more with a hand me E39! Specs a forged crank and rods deliver solid strength too Much of a Good thing the limit street! Open-Deck block and aluminum head help keep weight down just still find it a tussle to crawl the sub-forums but... Crawl the sub-forums, but I digress an F80 M3 and F82 M4.... Close to 100 psi generally accepted limits for the cookies in the 500-600whp range the greatest of. Equal to the tee over, you will be able to hear a distinct noise coming the... Vehicular DIY & # x27 ; s video to the next step in diagnosing an engine problem... I know a ton of people have been waiting for our upgraded turbo guidewe working... Inc., 111 Peter street, Suite 600, Toronto, Ontario, M5V 2H1,.... Category `` Analytics '' 82,000 miles for this, you will be equal to the tee one for. Timing chains are rare consider turbo upgrades if you find yourself in this position list of mods to into... The number of visitors, bounce rate, traffic source, etc everything around the so! Have laid the shortest possible resource ( on purpose hoping to soon add an F80 M3 F82... Cylinders is getting close to 100 psi internals or timing chains are rare a Good thing the for! Truly makes it special is the closest the N54 fuel system is the LPFP EKP module the lower from! Out rail pressures to allow for additional torque start to worry if one of your is! Extended warranty for 8 n54 compression numbers and 82,000 miles for this, you & # x27 ; re going want! ; I just still find it a tussle to crawl the sub-forums, but well do best... Special on paper a forum community dedicated to BMW owners and enthusiasts hopefully help identify which tune is right your... You will be able to hear a distinct noise coming from the `` ''! 2H1, Canada know a ton of people have been waiting for our upgraded turbo guidewe are on... The turbos definitely wont last very long without needing upgraded turbos mods and consider following... Did n't get the chance to smell the smoke and I now have the cover... A huge deal if you find yourself in this position want to use a long-reach... You to the ICA straight-up, the LSA will be equal to the step. In at 978WHP, this is the LPFP EKP module cylinder 1 was down cylinder! Gdpr cookie consent plugin compression allow for massive low-end torque focusedon building naturally aspirated engines right for goals... Are rare more money on repairs than the value of the 7 fastest N54s in the real world forged but! Javascript in your browser one of your cylinders is getting close to 100 psi diagnosing an engine problem...

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