The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago So much too learn, so little time. The best one worth having and mentioned is S38B38 from the E34 M5 car. The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. I imagine a lot of (even most?) Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. In fact driving a BMW is probably some of the best fun you can have with your clothes on! Don't sweat it if you're only topping up small amounts on occasion. Meth will help slow down carbon build-up a little bit, but it will still require intake valve cleaning. Not sure which car you refer to when you say single turbo. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. All rights reserved. The engine room is simply too full with views inaccessible. Was just informed that Dinan has shifted their direction to some of the newer cars. Saying that, my 435i when I got it actually had something that looked like mostly water with some blue tint to it which when you put it in between your fingers didnt even feel like it would provide much of lubrication which means previous owner did just garden hose top-ups. We did not include that as we do not consider carbon build-up an issue. Thanks for taking the time to reply mate, I have decided not to buy the vehicle as it doesnt seem to have been maintained at all let alone even valeted. The car surges when doing this and its obvious that its nothing to do with my driving style. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Many of these issues were resolved or mitigated through recalls and extended warranties. Coolant loss The B58 uses two coolant tanks in its system. However, the M340i already comes with quite a bit more power than the standard non-M 340i models. On paper, the B58 should match, if not exceed, the N54 for strength and durability. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. AND BTW, I dont know whenever new caps will fix anything. What are your thoughts and experience with the B58? My 2017 M240i with 27,000 kms is suffering from the same symptoms. Maximum PSI seems to make a good one. 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. Hi guys, Ive got a 2017 M140i and have the pulsing at constant load, usually around 1000rpm and trying to hold speed. Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. And if they are, can the transmission ratio be changed? My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. One of our N54s went 113,000 miles before its first walnut blast. As such, the engine was updated and is quite different from the previous 3 engines discussed. I'll take my chances with a hugely mass-produced engine thats been detuned. In the case of a leaking B58 water pump, you'll have to replace the water pump assembly (this is an urgent issue if you notice your B58 overheating). One major killer of gaskets is the constant heating and cooling cycles they're subjected to. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. Thanks! Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. With that being said, there are some shared issues between the three engines, like VANOS solenoid failure and oil filter issues. Ram/Jeep had plans to come out with a turbo powered I6 to replace the 5.7 Hemi, but nothing seems to have come from that. There are some guides on youtube and the bimmer forums with part numbers. the vanos solenoids were a 20min job with a cold engine. Bimmerly is a hub for BMW enthusiasts. To find out more, read our Privacy Policy. Disclaimer: This site contains affiliate links. A solenoid controls the amount of oil applied and can cause a rough idle and other drivability issues when it is no longer functioning properly. Would a swap to s55 be ruinously expensive and difficult? To be frank I was hunting the web to find how the reliability on chain (because bmw has history here) / coolant intelligent splitter (those work hard and we thought that it was looking dicey for longevity) / new funky exhaust manifold were looking like, but from what I see here its not to bad so far. Required fields are marked*. Or you may be getting the more expensive stuff and driving 15,000 miles a year. Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. Although the block and internals are stronger than the N54 and N55, the increase in compression is odd. ALL the rest of cars or bmw engines after these ones are truly not worth even looking at,let alone buy,maintain,repair! If you DIY repairs these cars mainly have problems with external engine components. My car is going in to BMW on Thursday. Once youve done it a few times it becomes very quick and easy. Im (sort of) confident they will eventually find the source of the problem but until they do its very frustrating. In terms of engine and chassis design, BMW is still one of. We may receive a commission for purchases made through these links. Really appreciate the info. I would advise stuffing a towel behind the engine to catch a retainer clip if one pops off (but a $2 spare just in case). Usually, owners dont report major issue. other than that it runs good and I still like it. in. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. N55 water pumps are notorious for their low lifespan. Be prepared for potential B58 oil leaks from the valve cover gasket. This increases performance by. A 2017 340i M Sport uses the B58 engine, which is a single turbo. Engines now are far more reliable than in the past. The most common cause of B58 OFH gaskets failing is replacing the factory unit with an aftermarket solution. Did this fix the problem? It is a continuing issue on the B58 and one of the most common B58 engine problems. We are hoping to soon add an F80 M3 and F82 M4 GTS. Hi mate. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. . The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. DIY the basics (oil, brakes, spark plugs, etc) $500 to $1,200 a year This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. Same with the N54 and E9x chassis. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. Hi Hank, Ive currently been having issues with my M140i. It is recommended to check regularly your cooling hoses to avoid leaks and failure. That's our simple answer for now. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. It seems the coolant loss has now accelerated. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. Bit of methanol injection will help keep your intake valves cleaner. Our site is dedicated to all things BMW Tuning related. 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. A few simple mods take this engine into the 600hp and torque range; nothing to be ashamed of for a little 3.0L inline-6. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. We are hoping to soon add an F80 M3 and F82 M4 GTS. Notably, the engine stepped down from the true twin turbo design, found in the N54, to a twin power single turbo. After all, the stock engine is rated at 300hp and BMW is not necessarily designing the engine with the idea of more than doubling the power. There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. All BMW petrol engines past n54 run above 100C in normal operation when you press the fun pedal, the coolant temp will rise a bit but locally on cylinder slews it can reach 160 C easily. Our 440i is about 5 months old and has a little over 6000 Km. BMW learned many lessons from the N54 and N55 and used this knowledge to engineer the B58; an engine with stronger internals, a more robust cooling system, and an improved fueling system for increased reliability. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. Im looking for my first sports car and BMWs seem very nice. It is known to wear prematurely, and you'll get a warning light on rather than a catastrophic and costly . A handful of early production B58's experience issues with the crankshaft guide bearing. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. My question is what are the running costs for them (a ballpark mainly). Reliability + performance. However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. 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. Im sorry to drop the news on you, but your car is not a true twin turbo design. You can say we are somewhat N54 fanatics. Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. Reliability scores the highest marks compared to the N54, N55, and S55. On the engine topic - not so much reliability but costs of repair of often simple parts. Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. or these are minor for this strong engine? I live in a cold climate, so the whole heat encapsulation thing is really nice. The latest iteration of BMW's iconic six-cylinder inline engine . So, we've got a bit of a headache here. First, let me say this is awesome info and Im grateful for it. As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. At 28k miles I had a warning light low coolant. N55 is my preferred engine in the E92 lineup. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. I just finished reading customer issues with the BMW engine in the 4 series. This post is a little outdated as the B58 has come a long way since we wrote this post. As mentioned, they are located at the back of the engine making access a bit difficult. Its especially noticeable if Im holding in 2nd or 3rd gear and trying to hold a constant speed. 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. One of the most common leak locations is the water pump. Issues are rare, and many issues from previous turbo inline-6s were fixed in the B58. It is also known as a straight-six naturally aspirated engine. A fair few people with the same model and engine are experiencing this in Australia. We've seen some VANOS problems with the B58 engine. BMW UKS reply was change valvetronics and re-programme. The B58 is not only reliable judging by BMW standards but by international standards. You may notice burning oil smells in the cabin. My regret (not even a problem) was that when moving from E to F, BMW matched gearboxes and diffs more closely to stock engine torques, which in my mind was a bit of step back, because you could always count on 3 things with BMW gearboxes in the past 1. they did not provided greatest feedback 2. they always had decent of headroom potential tune 3. every-time you changed gear you felt like you reloaded WW1 full caliber rifle. f34 130k miles (tuned about 30% up only intercooler upgraded) The M340i is a beautiful car and the B58TU is a great engine. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. The question is , how much torque can the ZF gearbox version used in the petrol version handle? Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. It manages a respectable 322-382hp and 332-369 lb-ft from the factory. Huh, B58 can make a lot of power and is the best for reliability. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. Many B58 owners are experiencing low coolant in the main tank. Forums will be full of "issues"! I suspect the oil filter housing and valve cover issues may rise as the engine ages. Appreciate any thoughts! It basically has a more aggressive tune from the factory. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. This engine shows massive potential not only on paper, but also in real world results. [QUOTE username=Triple Seven userid=8864359 postid=1331739771]That'd be a great engine to replace the mediocre V6 in the Jeep JLGranted, the Pentestar is better than the older V6 that was in the earlier JKs, but this would be much betterEspecially for those that can't afford the 392! They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. The B58 is a great engine, but the S55 is better. Yes, coolant lowers the freezing point and raises the boiling point. 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. To find out more, read our Privacy Policy. Sounds like closed deck system like s55 doesnt have as much overheating problems? Im impressed to say the least. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. Not quite sure wether its a B58 or still the N55 thougj.. any ideas? Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. Some power gains can still be had with the M340i, but the actual horsepower gains will be a bit lower since youve got a higher starting point. We appreciate the input and you bring up some potentially valid points. The B58 replaced the N55 and was launched in the F30 340i.. The BMW B58 engine is a remarkable one. Minor leaks may not produce enough smoke to notice. Even more so after reading so many comments here where almost new cars had to change engines, Seriously dude, I think you might be overreacting 300k is nothing. Smoke from the valve cover area is common if the leak is bad enough. ?Any accuracy in this? Great engine and a solid chassis that is fun to drive, especially with some suspension mods. The first indicator of an issue was a check engine light. Guess where the VANOS components reside? It cleaned up ignition timing a little bit, too. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. B58 coolant loss appears a common problem, but it seems minor in most cases. The Grenadier will be no different. Most of people (and stupid technicians) think that coolant has glycol to stop it from freezing, why this is also reason to use it, glycol is predominantly used as anti boil. Its important to keep in mind were in a completely new era compared to the E34. Thanks Zach! Everyone and their brother has done the LS swap and its become boring. 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. I think there might be a fault with my traction control coming on whilst im driving,but the traction control light is not coming on on the dash..Ive also noticed the rear wheels are covered in brake dust,more than usual. Check your turbo coolant level (smaller of the two reservoir caps). Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. Just remove all the plastic covers and you can get your hand back there. Has anyone managed to get this problem sorted out yet?And if so could you let me know A simple JB4 piggyback tune and a small E85 mixture push this beast to nearly 530whp and 560wtq. No engine is perfect, and some samples of the B58 suffer from minor issues. Excessive oil on the spark plugs is typically a dead giveaway that the VC or VCG are leaking.

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