Hi , just joined 5 mins ago :) tried a google search for bm problems & ended up here , Lol ok the problem is just purchased a bm e46 320d On a 03 plate , been fine up to now till i reversed off a slope & clonked the bottom of the Car , :(  Now when i accelerate hard through the gears  I feel a vibration from under the car , seems like  Under the gearstick handbrake area  it starts about 45mph goes away then staets again about 90mph but not as bad vibration ( disclaimer i was on a private road ;) lol ) any advice would be appreciated thanks mark :)