So after I got an alignment I still have an issue I was having before but I thought it was just the lack of alignment. The rear end seems disconnected so much that I feel like I am driving a truck. It sways over the crest on the highway almost like bump steer... the truck is basically at stock ride height (maybe a little lower). The only thing I can think of is how the BC coils mount to the rear hub so all the weight is on the outmost point of the rear control arm instead of the inside where the bags use to be.

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-05 4.4 X5
-95 E36 M3