Difference Between Bmw B58 And S58

The S58 engine was unveiled in 2019 as the successor of the S55, a true performance-oriented engine for BMW M-series cars. The S58 is the high-performance version of the B58, but there are notable differences between the two. This 3,000+ word guide will compare and contrast the B58 and S58 across design, performance, specs, and real-world applications so you can fully understand the evolution of BMW's iconic 3.0 liter turbocharged I6.

The B58 is the older motor and S58 is the latest high. Two of BMW's most popular modern engines are the B58 and S58 inline-six engines, though there is a significant difference in horsepower between both. The B58 excels in daily driving with ample power and excellent tuning potential at a great value.

The S58, being the high-performance variant, caters to those seeking top-end power and extensive tuning capabilities. Introduction BMW's B58 and S58 engines are benchmarks in the world of turbocharged inline. Highly considering getting a 2020 X3M, but also enjoyed the X3 M40i.

What issues do each platform run into? How much more would maintenance be for the X3M compared to its younger sibling? If you own or have owned either the B58 or S58, what did you like and what did you hate? I'm leaning towards getting the X3M, but if it runs into problems fairly regularly than the power upgrade isn't. Discover the battle of BMW's titans: B58 vs S58! Which engine reigns supreme in performance, tuning, and reliability? Click to find out! BMW S58 engines really are very close to true race-spec, and without question the most capable modern inline-6 from BMW.

N54's and B58's hold up at 600-650+whp and S55's crank out 700-750+whp on stock internals. In this video, Zach takes a deep dive into the BMW B58 vs S58, comparing two of BMW's most powerful and highly regarded turbocharged inline-six engines. He breaks down their engine specs, design.

The BMW B58 and S58 are variations of the same engine, but have some key differences. As you might've gathered by the name, the S58 is the newer iteration that first powered the BMW X3 M and X4 M in 2020.