I has the same issue, and I know my diff bushings are shot. Im gonna start there and see if it makes a difference. How are your diff bushings?
RIP Ben "Jever" Doebele, we wont forget you
Please, call me Chadley
1997 328iS... HR coilovers, Brembo F40 calipers, camber plates, it needs a CUMMINS!!
1990-somethin Chevy K3500... Cummins, cab swap, 5 speed, and lots of motor work. 20 MPG, 40 PSI, 507 ft/lbs torque