Bmw B58 Engine 540i
By the Editorial Staff
March 16, 2026
The BMW B58 is a turbocharged straight-six engine, which began production in 2015. [1] The B58 replaced the N55 and was launched in the F30 340i. [2] The B58 is part of BMW's modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.
[3] The B58 engine was named to Ward's World's 10 Best Engines five times, in 2016 (installed. The 2024 BMW 540i powered by the B58 engine gets 26 mpg in the city and 33 mpg on the highways, or a combined figure of 28 mpg. BMW's Updated 3.0-Liter B58 Engine With Around 370 HP To Power New 540i, 740i And Others.
BMW is readying an upgraded variant of its popular B58 engine that will power a number of sub. twitter Facebook Digg Google StumbleUpon del.icio.us My Yahoo! BMW introduced the B-series of modular engines in 2016.
But there was a major update done in 2018 and then another for 2020. The B46 4-cylinder is pretty simple with only minor updates. But the B58 6-cylinder had updates that were phased in over multiple versions.
B58A being the original. B58C having some major changes (but only used on a few. BMW Z4 - The B58 really shines in BMW's two-seat roadster, delivering scintillating performance.
New BMW Z4 M40i models feature this six-cylinder engine that outputs 382 horsepower. No matter which B58-powered BMW model you choose, you'll be treated to an invigorating driving experience backed by BMW's legendary engineering. Complete BMW B58 and B58TU technical guide.
Engine specifications, BMTS BM90 turbo specs, Gen 1 vs Gen 2 differences, fuel pump data, injector flow rates, and modification guides for M340i, Supra, 540i. This engine has garnered considerable acclaim for its remarkable performance metrics and technical prowess. Thus, it is imperative for aficionados and prospective purchasers to grasp the importance of the B58 Engine within BMW Models.
Key Takeaways The B58 Engine is a turbocharged inline. System wiring diagram B46/B58 Engine System wiring diagram B68/B58 engine in G30 Digital Motor Electronics (DME) Electric fan Relay for electric fan Power distribution box, engine compartment Pinion starter Air con Air intake and exhaust emission systems. Discover which BMW models feature the B58 engine, its performance specs, awards, and owner satisfaction insights.