+1 scan.. see what codes it is throwing. I highly highly recommend just getting the peake reader so its on your convenience. i use mine ALL the time when trouble arises and it REALLY helps solve problems
it doesnt make sense that the motor would shake due to this event. at any rate stay above it and be positive life throws a lot of curve balls but just roll with it. start with the SES light and see what the computer is telling you.
2008 135i | Year 1 of the 1 | AW/Black Boston Leather | N54 | JB4 | Map 5 | 19" Matte Black CSLs | Comfort Access
Adaptive Xenons | Premium/Sport | Cold Weather | Brembos | Clear Bra | Auto Dim | Rain Sensor | 350 WHP