Discover the one part that made my BMW S1000RR perform 90% better. In this video, I break down the most effective upgrade that transforms handling, power delivery, and overall ride experience. From ...

1.4L I-4 gasoline direct injection, DOHC, variable valve control, intercooled turbo, regular unleaded, engine with 147HP (1) 1.4L I-4 gasoline direct injection, DOHC, variable valve control, ...