Dinan Engineering S1 BMW M4 adds power, loses performance

The BMW M4 is no slouch when it comes to performance, but many car guys and gals are always out for more performance. Dinan Engineering is a name that has been associated with hopped up BMWs for decades and its latest foray into modern BMWs is the S1 BMW M4. Thai car is a bit milder than other Dinan BMWs … Continue reading