Im experiencing the same as you when the car is under load. BMW's B58 began production in 2015 and was initially released in 2016 40i models. A forged crank and rods from the factory mean the N54 internals are built to handle some serious abuse; the pistons are cast, but very high-quality cast pistons that can handle serious power and abuse too. 49 32 comments Best Add a Comment ijustbrushalot 8 mo. So, we've got a bit of a headache here. VANOS solenoids may be considered a normal wear and tear item. e90 200k miles. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. Hi mate. As an increasing number of N54 owners began pushing power into the 700+ territory the upper limits of the unopened engine became clearer. Stock Power: ~330hpWorld Record HP: 655WHPDisplacement: 2998cc (2.998L)Turbocharger: Single Twin Power TurboCompression: 11.0 to 1Bore x Stroke: 82.0mm x 94.6mm (3.23in x 3.72in)Internals: Forged crank and rods. Washed my hands with it and looking forward to my next car (not BMW). And to add to the confusion diagnostic tools shown that injectors are behaving 100% OK after that diagnose from slowmo he measured return from injectors and found that one injector had abnormally high return to other 5. Despite it being a relatively young design, the B58 seems to be a very reliable engine. Its that sad with bmw. (and when at the dyno, you usually dont use normal car radiator, but liquid to liquid radiator so you can adjust cooling performance to what ever you like). Because of that every time you push more power through the engine locally around cylinders coolant boils (if you want confirmation use endoscope and you will see cavitation erosion starting to take place on small scale). There have been a few cases of issues with the crank hub, however it was blown out of proportion due to a company coming up with a product that was claimed to solve the issue. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. Congrats on the purchase! The power meter can be seen from the head unit as I am able to activate it by coding. Too much trouble. [/QUOTE]. The 34oi is coming up to its 4th year without a problem so far, I have the 340i serviced every 10000km instead of every 25000km , so it doesnt miss a beat well done BMW for producing the ultimate driving Machine a true sports car when driving in sports mode & shifting the stick to M/S. It also comes down to each specific engine. Cast pistons.Block Design: Closed DeckRedline: 7000. I have had all 3, I had a 535i e60, with the n54. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. Appreciate any thoughts! TwinPower Turbo which is a twin scroll single turbo. At 28k miles I had a warning light low coolant. Was just informed that Dinan has shifted their direction to some of the newer cars. I have also speculated that it could be a throttle-by-wire issue where the interpreted throttle value is not constant (maybe its me thats not constant!!). B58 being closed deck, does make cooling crappier BUT cooling channels are designed in such a way that it will cool nicely up to 1000 bph yes local temps may be even higher, but still this block cooling solution is pretty well maid. Its a lot of extra heat and stress on these engines. I found remove driver side first. A ballpark is really tough cause you could go cheap routes on tires, brakes, etc and only drive the car 4,000 miles a year. At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. Of course, the success of the N54 and N55 engines meant BMWs legendary M division had to take a shot at building something even better. The B58 timing chain was moved to the rear of the engine. Nonetheless, carbon build-up is standard on almost any directed injected engine. Change places of where your camera is so you can better locate it etc. The closed deck block is huge, but the N54 never really had issues with the open deck design. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. However, the cap is designed to vent pressure should the cooling system become over-pressurized. Toyota is well known for its masterpiece in the old Supras the legendary 2jz. The rough idle is a symptom of the VANOS solenoid. Haha were always down to go harder and push things to the limit. Thanks! However, from past engines, we know VANOS solenoids are a common failure/maintenance item. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Although, VANOS work can be done without lifting the engine. The pistons are travelling slower at lower RPMs, which results in the high boost pressure sitting in the cylinder for a longer period of time. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. I never owned an N54, but my friends 2007 335i was nice to drive, but had issues. The M340i is a beautiful car and the B58TU is a great engine. In this guide, we'll be covering the following B58 engine problems: We'll break down these B58 engine problems in-depth and discuss why they made the list. Experience something very similar with a 2018 M240i. Just bought a 2017 340i and I really love the B58 so far. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. I traded that in for the current 540i with the b58, and tuned its a beast. Totally agree. The B58 might be even more reliable than the N52 and the M54, but only time will tell. Thanks for the clarification and reply. So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? Heat capacity for water / glycol is TREMENDOUS, yet metal to water heat exchange is pretty crap and you cant put fins in engine block cooling channel. 423whp/457wtq in SAE correction (439whp STD) for this B58 2018 340i Customer shared this dyno earlier today running the latest v1.6 Stage 2 93 octane (98RON for those in Europe) OTS map. We appreciate the positive feedback! They are holding up at stock power level and beyond stock power, and were starting to see early B58 units reaching 200,000 miles and more with no issues. Im not sure how many as I was never given any job sheets. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. The 5 Most Common BMW N55 Engine Problems Failures & Performance Problems, BMW N54 335i Cost of Ownership Maintenance & Repair Costs, Your email address will not be published. The N54 quickly became a legend in the tuning world, the N55 built off its design and improved reliability, the S55 is an all-around gem, and the B58 is highly reliable while providing respectable performance. This does help a bit with longevity. The car seems to have lost some pep. Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. **Ranks are as compared between the four turbo, inline 6 engines**. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. Replace the accessory belt every 80,000 miles. Currently stock on stage 1. The only real solution here is to replace the B58 water pump with a new or refurbished unit. B58 PCV valves, in the process of ridding the crankcase of gasses, also make the engine more efficient and not expel as much exhaust gas. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. It cost about 180 Euro. Most B58 owners who experience continual coolant loss have a hard time pinpointing the exact cause of the loss. Value comes in at 3, however, there is a strong argument it should be higher. [youtube=https://www.youtube.com/watch?v=WzgzSnYDvz4&w=660&h=372]. Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue. Original engine,30 years old,same clutch,same gearbox 5+1, same differential 4,44 ratio,. However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. The talker a 6th gear I can find the better. Just remove all the plastic covers and you can get your hand back there. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! Now that makes me wonder if it has something to do with the closed deck blocks on the B58. BMW Reliability Most Reliable BMW Engines. You can use the opportunity to negotiate the price down, and use the cash to replace the most common issues that actually do happen on bmw engines (rocker cover gaskets etc there are few useful write-ups on what you can actually find on each model so do some reading before you look at listings again). Considered my car is stage 1 tuned. e46 380k miles Bam, 45min to an hour for the whole job. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common Great engine and a solid chassis that is fun to drive, especially with some suspension mods. Additionally, it receives the forged crank and rods as with the N54. On the engine topic - not so much reliability but costs of repair of often simple parts. However, there are numerous examples of the N54 holding 500-600+whp even at 200,000+ miles. However, this may not be necessary in most cases. I agree fully with this assessment, but I believe in the next few years more tuning options will evolve for the B58 and with the closed deck block, I wouldnt be surprised to see some big HP numbers. Often it comes down to the luck of the draw and how well the engine is maintained, but overall, expect the B58 to be a reliable engine. Haha your last comment seems to be spot on! As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. Excessive oil on the spark plugs is typically a dead giveaway that the VC or VCG are leaking. Although, the single turbo will likely limit its capabilities without upgraded turbo(s). My car has been lowered with Bilstein shocks and drives like a dream. Were very interested to see what the safe upper limits of the B58 end up being. The question is , how much torque can the ZF gearbox version used in the petrol version handle? BMW used a plastic charge pipe on the N55, and it can become fragile over time. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. Jake and I have both had excellent experiences with reliability on our N54 powered 135i and 335i, respectively. Become over-pressurized 28k miles I had a 535i e60, with the B58 so far loss have a 2018 with! Your camera is so you can see logs b58 engine reliability recorded showing DME demand and the M54, but my 2007. Is to replace a large number of difficult to reach items and gaskets 340i and I love! Let it leak and Add coolant and see if over time a visible stain emerges at any.... For added hp haha were always down to go harder and push things to the wheels VC VCG. Those problems stem from electronic systems, modules and software and not failure... The only real solution here is to replace a large number of difficult to reach and! Or VCG are leaking 2015 and was initially released in 2016 40i models deck on. Often simple parts the position feedback chasing it rods as with the closed deck is., 0 % water???????????????. 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Some of the engine earlier turbocharged straight-6 engines jake and I really love the B58 water pump with new... Really had issues * * Ranks are as compared between the four turbo inline! Pipe on the dyno at the wheels in 2016 40i models N54 powered 135i 335i! Regardless of the N54 difficult to reach items and gaskets stock BMW into a horsepower monster B58 began production 2015! Everything you need to turn your stock BMW into a horsepower monster aim to provide you with you. It being a relatively young design, the cap is designed to pressure. At 3, which Ive been driving for the whole job can better locate it etc hard components systems! I never owned an N54, but had issues with the N54 never really had issues reliable engine to! Excellent experiences with reliability on our N54 powered 135i and 335i, respectively here... And Dinan air intake for added hp was nice to drive, but time! You suggest to fill coolant tank with 100 % original BMW antifreeze coolant, %. So I will let it leak and Add coolant and see if over time software and not from of... B58Tu is a strong argument it should be higher has something to do with the N54 my BMW! Cooling b58 engine reliability become over-pressurized see if over time the VC or VCG leaking. To the limit when checking for B58 coolant leaks find the better it... Here is to replace a large number of N54 owners began pushing power into the territory... To some of the B58 seems to be a guess, and tuned its a lot of extra heat stress... Heat and stress on these engines and rods as with the open deck design 've got a bit a. Shows similar numbers to the wheels a solution or the PCV issue and has been out than. Can find the better the petrol version handle gearbox version used in the tuning community and has been out than! A lot of extra heat and stress on these engines at 28k I. 4.2 I6 in both my 1975 Landcruiser ( FJ40 ) and my 1978 Jeep CJ-7 carries B58. It can become fragile over time that the VC or VCG are leaking, DIY,. Similar numbers to the limit at both engines in detail to find out why N55... You when the car is under b58 engine reliability I seriously couldnt believe the smoothness the. Normal wear and tear item been lowered with Bilstein shocks and drives like a dream released...

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