BMW TUNING: X-pipe on BMW V8 Engines Improves Exhaust Sound
It seems like BMW may have slightly dropped the ball on post E39 M5 stock V8 exhaust sound, including non-M-Powered V8s. As much as I dread saying this, it is true. Stock Mercedes-Benz AMG V8 engines sound better than stock BMW M-Powered V8 engines. AMG has even figured out a way to make turbo-charged engines […]