The Northern California–based CarBahn gives the BMW M4 Competition xDrive an aftermarket makeover that builds on an ...
With BMW's tuning expertise, as seen in the S58 version used in the M3 and M4, the internal combustion engine could deliver ...
In 2000, BMW introduced the S54, and in 2019, we got the S58. Despite the fact that there's only a one digit difference between their names, these are two engines with many differences ...