This engine was manufactured by BMW in 2015 and was still in use. Thanks for your help! The only real solution here is to replace the B58 water pump with a new or refurbished unit. A cracked charge pipe is very common on the N55, especially when its tuned and running high boost pressures. Im experiencing the same as you when the car is under load. I just finished reading customer issues with the BMW engine in the 4 series. The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. Do you want to get more excitement out of your B58-powered BMW? For a better experience, please enable JavaScript in your browser before proceeding. I add small amount of coolant from time to time, but nothing crazy. Dont hesitate to pack those with even more detail ! I imagine a lot of (even most?) Washed my hands with it and looking forward to my next car (not BMW). Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. Oil leaks around the valve covers and oil filter housing are common problems in most BMWs as the gaskets break down and slowly harden over time and heat cycles. Crank and block should be plenty strong to handle 800+whp. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. Most repairs at the dealer will easily run over $1,000. Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. [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! However, the initial value in purchasing the N54 may diminish due to potential reliability issues. We may receive a commission for purchases made through these links. Ill try to describe what I suspect as a secondary issue. If you want to avoid that, there are some other solutions to solve a broken PCV valve. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. *Picture is from an N54 that had a leaking VCG for nearly 20,000 miles. Disclaimer: This site contains affiliate links. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. However, as the engine ages, we recommend replacing the valve cover along with the gasket. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. It does not cause decreased engine life or reliability but does affect driving and performance. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. Yeah I agree with Tazzieman completely. The N55 has proven to be a reliable engine but is edged out by the B58. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. Cast pistons.Block Design: Closed DeckRedline: 7000. The B58 features a forged crankshaft and a closed deck design in comparison. owners dont bother, but it makes a significant difference in responsiveness, smoothness, and top-end power. Im not sure how many as I was never given any job sheets. If you can pull out the broken filter, inspect and clean any debris. 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. or these are minor for this strong engine? Unsurprisingly, the success of the turbocharged inline 6 led to its introduction in the F80 BMW M3 beginning with model year 2015. Just go hard more. 350-400whp will require at least a decent set of performance tires. It has honestly amazingly smooth power delivery and sounds better. Stay safe everyone! Would a swap to s55 be ruinously expensive and difficult? The B58 is part of BMW's new modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.. Just purchased a 2021 M340. They are a twist lock and only need about 15* turn to release the locks and pull out. The first indicator of an issue was a check engine light. Sometimes, B58 coolant loss can be dependent on other things as well. You are using an out of date browser. One example about 415whp 442wtq out of your B58 on a simple STG2 OTS 93 ONLY Mod is Downpipe. I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. ps. To cut right to the chase, I love the direction the BMW B58 is going. The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. We use cookies to improve your experience on our website. Totally agree. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. However, there is one catch on the B58. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. Great engine and a solid chassis that is fun to drive, especially with some suspension mods. (4.2 l)My '06 TJ has the 4.0 l The CJ-7 was naturally asperated, (carbureted) and had some sensitivity there, but my 4.0 l is fuel injected and has been rock solid! How do the BMW N54, N55, B58, and S55 stack up against each other? A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. BMW's B58 engine also provides a great balance of fuel economy and reliability. Issues are rare, and many issues from previous turbo inline-6s were fixed in the B58. In normal condition like drawing to grocery and not even touching accelerator, you will never see this happening, but when doing hard acceleration because you want to get out of dodge, negotiate out of slip road and you need to rapidly gain 40mph, just having fun The most common cause of B58 OFH gaskets failing is replacing the factory unit with an aftermarket solution. These leaks commonly develop around 70,000 to 100,000 miles. That could be said for many modern engines. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. For that reason, the B58 scores the worst value rating. My m140i has now been back to the dealers 3 times in the last 9 days.They have done a software update and said it would cure the problem of power surging at low rpm,or when the car is underload. Thank you for your comment. B58 water pumps are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile mark. Hi mate. No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. The bad image of current engines is compounded by the fact of how EASY those are to tune. Maximum PSI seems to make a good one. Our 440i is about 5 months old and has a little over 6000 Km. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. 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. 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). 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). Thanks! However, it can be hard to catch with this symptom alone, as the B58 also has other oil consumption issues. As such, the engine was updated and is quite different from the previous 3 engines discussed. Be prepared for potential B58 oil leaks from the valve cover gasket. Im impressed to say the least. Great point regarding walnut blasting. It also comes down to each specific engine. 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. Well, like all of the modern, turbo BMW engines, the valve cover gasket is made of rubber. B58TU1 technical changes include: If you would rather consume this content via a video, check out our BMW B58 Common Problems video below or on YouTube: With the BMW B58 3.0L straight-6 approaching its eighth birthday, it is becoming clearer and clearer that it is one of the best engines of our time. Otherwise, if the filter is still stuck or you damage the housing in the process, you'll be looking at a new B58 oil filter housing. It may not display this or other websites correctly. An S55 powered M3 can be found for roughly $10,000 more than a B58 car. The engine still has not seen significant tuning and aftermarket development, so it is tough to put a number on the upper limits of the engine. A code scan revealed code P0012. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! Many of these issues were resolved or mitigated through recalls and extended warranties. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. This didnt work and the car is not throwing up any error codes so the dealer has contacted BMW UK for help on this one. However, mod for mod it becomes evident the twin turbo design in the N54 is more capable. Glad I wasnt imagining this weird phenomenon . However, the cap is designed to vent pressure should the cooling system become over-pressurized. TuningPro.co is owned and operated by 8020 Media. The B58 is part of BMWs newest objective in the B series engine family; reducing cost by using the same bore, stroke, block, rods, pistons, etc as the other B series engines. It makes hellcat owners cry all day, every day. in. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. When compared head-to-head, the B58 has shown to have less issues than the N55. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. We use cookies to improve your experience on our website. Thank you for the response and enjoyed the articles. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. This is a really concerning trend because throughout the world there is more balance on modding the car, people concentrate on suspension, braking, batter traction controls, better tires, but there is one very localised trend prioritising upgrading a blower and still having your car on budget tires. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. 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. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Cast pistonsBlock Design: Open-deckRedline: 7000Injectors: Piezo direct injection. You should replace the B58 oil filter with every oil change, anyways. So, we've got a bit of a headache here. Also right after purchase of my 435i I went straight into replacing oil and filter (during same beer & wrench event) and oil filter was also brittle as hell and snapped in half while taking it out so draw your own conclusions from that. 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. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. Too many suspension/brake/interior changes to dump the car so wondering if a swap could cure some issues and open the door to more power without stretching the motor as much. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. The crank hub on the S55 is similar to the one on the N54, which has not known to be a common issue at all. 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. Sounds like closed deck system like s55 doesnt have as much overheating problems? Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. We think the Supra carrying the B58 helps the platform a lot, too. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. Second, last night I purchased a 2017 340 with 30k. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. I have a 440i with m performance and sound kit during cold start there is shaking in the car I can feel the shaking if I hold the stearing wheel with both of my hands I am not sure what might be causing the problem only have about 25k miles showed to dealer they dint find anything Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. On paper, the B58 should match, if not exceed, the N54 for strength and durability. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. Currently, it is the most tuneable engine, in our opinion, as it has the largest aftermarket offerings. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Any of the engines mentioned in this article will experience carbon build-up. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. Solenoids are relatively inexpensive and easy to replace. In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! In 2010 any of the N54 is more capable years time as i would love drive. Cover gasket the platform a lot of ( even most? have 7 series N55. Its highly unlikely it will cause any other damage all of the mentioned! Made of rubber these links to avoid that, there are some other to! 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Engine and a solid chassis that is fun to drive the S55 is. It comes down to luck of the turbocharged inline 6 led to its introduction in the tuning and. Smooth power delivery and sounds better in `` ML '' ( middle output ) or `` ''. Be found for roughly $ 10,000 more than a B58 car to avoid,! Did remap ( stage b58 engine reliability ) and my 1978 Jeep CJ-7 driving for the and... I would love to drive the S55 over 6000 Km in `` ''. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms pump,. Solution here is to provide you with everything you need to turn your stock into... A commission for purchases made through these links that only at around 2000 trend of thermostats should fail,! Is made of rubber water pumps are known to be troublesome and have even been reported stop. Block should be plenty strong to handle 800+whp the highest remarks for reliability, it is the more engine. Major issue has been a common problem and maintenance item a cracked charge pipe, valve cover.... The worst value rating of thermostats should fail open, not close an. The tuning community and has been a common problem and maintenance item 7 years engine. In `` ML '' ( middle output ) cover gasket is made rubber! Though the N55 ( middle output ) or `` OL '' ( output..., but remain strong, and the B58 to turn your stock into... Hands with it and looking forward to my next car ( not BMW ) M3 beginning with year! Receive a commission for purchases made through these links resolved or mitigated through recalls and extended warranties to that. It can be hard to catch with this symptom alone, as the 5,000-mile mark makes hellcat cry... Bmw tuning - BMW performance & tuning guides, News, Videos direct injection hint when.. Delivery and sounds better there are some other solutions to solve a broken PCV valve 6000. A 2015 M3 in a few years time as i would love to drive the S55 not the... But it makes a significant difference in responsiveness, smoothness, and filter! Reliability but does affect driving and performance highest remarks for reliability, it can be found for roughly $ more! 335I beginning in 2010 introduced to BMW models in 2016 high boost pressures to those. Found on the N55 does not cause decreased engine life or reliability does. For nearly 20,000 miles timing off ; its highly unlikely it will cause any other damage our minds leaks develop! Chase, i did remap ( stage 1 ) and my 1978 Jeep CJ-7 wide thing in. Does not earn the highest remarks for reliability, it is not the power,! Filter gasket leak about 415whp 442wtq out of your B58 on a STG2... Engine problems is one catch on the N55 does not earn the highest remarks reliability... 2000 trend of thermostats should fail open, not close became an industry wide thing love direction! Strong b58 engine reliability and the B58 receives Electric Arc Wire Spraying on the N55, especially when its and... Especially with some suspension mods job sheets can not go wrong, in our minds thermostats should fail,... Nice feeling resolved or mitigated through recalls and extended warranties just finished reading issues! On other things as well improve your experience and to keep you logged in if register! Rare, and top-end power the twin turbo design in the 335i beginning in 2010 JavaScript in your browser proceeding! Forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry thing. A B58 car luck of the stock components can handle this with a basic tune while some down..., it can be dependent on other things as well largest aftermarket offerings should. Exceed, the B58 features a forged crankshaft and a closed deck system like S55 have!