E46 Vibration Calibration???

For Real? Why would one do this? Other for the fact that is is somewhat cool. I would like to see a cup or a maybe some thing bigger like a bucket, while the engine is revving.

M3 Subframe Repair Done by Pruven Performance

This video shows just how catastrophic the subframe damage can be in a modified daily driver. Pruven Performance did the repairs in the video. I think that BMWNA most likely would have consider this vehicle scrap. On this vehicle even the rear shock mounts were cracked along with the the trunk skin. They chose to weld all the crack and tears and then reenforce the repaired body with subframe plate kit. In all it looks like a good repair and one I would chose over losing any M///