This 2015 BMW M3 engine teardown shows what can happen when warning signs get ignored for far too long. The S55 engine is reliable with maintenance, but tuners push its limits. A teardown revealed ...

You can bet that this 2003 Mercedes S55 AMG would be entertaining to drive even today. Sure, it may not be as quick or as technologically sound as some of today’s luxury super saloons, but it would ...

Mercedes figured—correctly—that these interests do not necessarily evaporate as a result of advanced socioeconomic station or the accumulation of years. The Benz crew also figured this was a chance to ...

The big news with the new BMW M2 Competition is its engine. The just-announced version of the smallest M car ditches the regular M2's engine in favor of a detuned version of the M3/M4 motor, and while ...

The BMW S55 engine has earned its fans, and it’s easy to see why. This twin-turbo 3.0-liter inline-six, found in the F80 M3 and F82 M4, is often called one of BMW M’s more reliable modern engines – if ...