Hi mate,thanks for your reply. Your comments are welcomed. As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. However, water is much better at carrying heat and actually cooling the engine. Nonetheless, you must pay to play and the N54 is no exception. Had the well known gasket issues. Bam, 45min to an hour for the whole job. Many early N55 engines have suffered from unexpected rod bearing failure. You can get old one with slowmo (really helps) for about 100 quid. There's a difference between durability and reliability. e46 380k miles I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. If you want to avoid that, there are some other solutions to solve a broken PCV valve. 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. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. We use cookies to improve your experience on our website. B58 coolant loss appears a common problem, but it seems minor in most cases. 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! Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. While BMW B58 oil filter housing gaskets and filter cap O-rings are not failing as frequently on the B58 as they have in the past with the N54 and N55, it isn't uncommon for them to leak either. B58 Reliability: I hear it will be good long term. First, let me say this is awesome info and Im grateful for it. Some components of the cooling system are exposed to severe heat cycles, and these will become brittle over time. Have a good holiday weekend if youre in the US. However, as the engine ages, we recommend replacing the valve cover along with the gasket. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. If so, thats impressive. Ill get to enjoy it a few more days before I say goodbye. I suspect the oil filter housing and valve cover issues may rise as the engine ages. You can diagnose plenty of odd things and remember that engineers spent years making sure that engine bay vents under the car rather to the cabin so you will not get any iffy smells this unfortunately masks anything going wrong and specially masks and deforms noises. Now, we left out some potentially promising information. What kind of HP increase could I expect with the JB4 piggyback tune? But different people have different priorities in life, so I cant decide for you how you want to spend your free time ! 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. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. When the N54 first popped up in 07 there were hardly any performance/tuning companies out there. If youre going to the dealer for everything then both the N55 or B58 could get expensive. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. So, we've got a bit of a headache here. It can trap heat for up to roughly 36 hours. My history with bmw is: Had n55 in a 2011 335cvt, w manual. Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. The B58 might be even more reliable than the N52 and the M54, but only time will tell. One of the most common leak locations is the water pump. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. Although the B58 uses similar rubber VCG's, the engine has one advantage. 2015 335i 4 series coupe has been a great auto. *Valve cover gasket should be replaced any time the valve cover is removed. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. | BimmerTech, (North America) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (United Kingdom) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (Sub Sahara Africa) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE. BMW MHD Tuning App N54, N55, S55, B58 & N13 Flash Tunes, Your email address will not be published. I know nothing about BMWs and love the articles. Completely misread that. 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. 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. However, this may not be necessary in most cases. As this was BMWs first attempt at a gasoline direct injected, turbocharged, inline-6 engine there were some early issues that needed to be ironed out. Was stock. So much too learn, so little time. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. **Ranks are as compared between the four turbo, inline 6 engines**. You can say we are somewhat N54 fanatics. Space is very limited but its doable. (cold start is just supposed to head up the catalytic filter in the downpipe, so thats why its commonly removed after catless downpipe installation.)e. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. I'm a fan of servicing my vehicles probably more than they need it, but then you've always got piece of mind. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. We use cookies to improve your experience on our website. Much better when you consider you get the full package in the M3, and the M3 will hold its value better. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. it now has 125,000km on the clock and is stock 300HP. Crankcase re-design (crankshaft and walls), Updated cylinder head with integrated manifold, Engine hesitation and bogging, especially at lower RPM's. If you wanted to go the traditional route and bring your B58 BMW to a BMW-certified center for repairs, they will likely say that the entire PCV-integrated valve cover will need to be replaced. Excessive oil consumption is another big one that can alert you to this issue. You may notice burning oil smells in the cabin. Also labelling this is something that got me pissed of few times because when manufacturers get lazy they combine SKUs per language, not per region as they should then you can end up with advice on label being the same for super hot climate and super cold climate. Cast pistons.Block Design: Closed DeckRedline: 7000. It is tough to find a clean M3/M4 for less than $45,000 today so the performance comes at a steep cost up-front. Copyright 2021 - 2023 BMW Tuning LLC. The B58 valve cover gasket is only ~$30, so this likely isn't too concerning an issue for the DIY crowd. Hi tom thanks for education on this thread sorry for going off topic Bit of advice needed im buying used m240i with 70k miles on clock..It has very small v c g leak and also coolant pipe running along the top near the rad had previously burst and been replaced. The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. I live in a cold climate, so the whole heat encapsulation thing is really nice. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. 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. Oh, BTW, Ive had seasoned bmw technician at bmw dealer, not indy, stating to me point blank that they just top up with tap water and use concentrate when replacing whole coolant and still mix with tap watter, so he doesnt know what Im on about So, some people might just be unlucky with some genius giving it a squirt from garden hose before giving it to first owner because it looked low, and now they have lime scale build up on engine walls or radiator. Considered my car is stage 1 tuned. Yes, B58 is reliable. It manages a respectable 322-382hp and 332-369 lb-ft from the factory. Well, I have N54 running 550whp on td04s. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. 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. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. For a better experience, please enable JavaScript in your browser before proceeding. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. So far the valves have been cleaned, DME & transmission software has been updated and most recently the 8 speed auto transmission was completely replaced by BMW Sydney but the problem persists. BMW quoted the N54 at 300hp, however, independent testing suggested numbers at the crank closer to 330hp. Yes, coolant lowers the freezing point and raises the boiling point. And raises the boiling point a whole cycles, and these will become brittle over time in cases. Nothing about BMWs and love the articles concerns over reliability $ 30, the! 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