First Drive: CarBahn Amplifies the BMW M4 Experience. Here’s How.
The Northern California–based tuner gives the BMW M4 Competition xDrive an aftermarket makeover that builds on an ...
Evo9y
This is how to make your M135i sound like an M4
Sticking a turbocharger into the exhaust ... sound. In this case, a tech-savvy M135i owner has managed to hack into his system and upload the soundtrack used in the new M4. It swaps the typically ...
Tested: CarBahn CB3 BMW M4 Competition Is a Bona Fide Dinan
Dinan sold his company in 2013, and our recollections of screaming inline-sixes and V-8s started to fade. Enter CarBahn, ...