Originally Posted by raywong
let say my car is rolling slowly on 2nd gear, 1600rpm... If I floor the throttle now, the car will accelerate from 1600-2000rpm in less than a second, but it is shaky. It smooths out after 2000rpm. It feels like a loss engine/trans mount, or engine miss fire. This only happen in low rpm(under 2000), and in higher gear. Is this normal?
Sounds normal to me. I believe there's a thread in this forum on e9x M3 noises an rattles. You might want to search for that.