The Northern California–based CarBahn gives the BMW M4 Competition xDrive an aftermarket makeover that builds on an ...

Dinan sold his company in 2013, and our recollections of screaming inline-sixes and V-8s started to fade. Enter CarBahn, ...

Few automotive brands are more iconic than BMW M. Originally founded as the racing division of the German luxury carmaker, it ...

The BMW M4 Competition Package is the first significant ... Line exterior styling upgrade is standard fit, as is the M sports exhaust system. The upgraded exhaust brings a more vocal character ...

The forthcoming tests will primarily focus on optimising detailed aspects of the total package and understanding how to exhaust the full potential of the BMW M4 DTM. The new car will make public ...

In the middle sits the BMW M4 CS, or Club Sport ... change to the powertrain is the fitment of a more free flowing exhaust system. Away from the dynamic upgrades the M4 CS is also the recipient ...

We drove the amazing BMW M4 GTS on track a little while back ... sounds unlike any M car that has gone before it. The titanium exhaust is 7kg lighter than the standard set-up and it’s louder ...