Bmw X3 B58

The S58 engine is the high-performance version of the B58 engine. It was introduced in the F97 X3 M and F98 X4 M, marking the first time a stand. The 2025 BMW X3 M50 introduces a new chapter in BMW's performance SUV lineup, not only replacing the brilliant X3 M40i, but also featuring an updated B58 engine.

Codename B58B30M2, the updated 3. Versatility BMW crams the B58 engine into practically everything. That isn't odd in and of itself because standardization of vehicle engines is nothing new, regardless of brand.

The B58's range of capabilities, though, is astounding. It drives real performance vehicles like the Z4 M40i, X3 M40i, M240i, and M340i. The BMW 540i, the X5 xDrive40i, and even the incredibly heavy X7 xDrive40i.

The B58 engine is featured in various BMW models, including the M340i and 340i from the 3 Series, certain variants of the 5 Series and 7 Series, X Series SUVs like the X3 M40i, X5, X6, and X7, as well as the Z4 Roadster and some 8 Series models. The M50 nameplate was previously reserved for V8 models, but BMW felt this X3 deserved to ditch the '40i' badge given the performance on offer. This is the most powerful current B58.

The Pros: Powertrain Performance Now, let's delve into what makes the new X3 M50 so appealing. At the heart of this vehicle is the B58 engine, a turbocharged 3.0L inline-six paired with a 48-volt mild hybrid system. This year, several components, including the crankshaft and turbos, have been revised to enhance performance.

BMW X3 M50i vs. M340i Touring While the X3 has the newest variant of the B58 with more power and torque, the acceleration difference is negligible thanks to the weight difference. This new X3 is ever so slightly longer and wider than the old one, but you'll hardly notice the difference.

BMW's familiar and much. Explore the reliability of the BMW B58 engine, common issues, maintenance tips, and owner experiences for optimal performance. « Previous Thread Next Thread Future BMW models information.