Genuine BMW M Performance Limited Slip Differential LSD M140i F20 33108659989
Genuine BMW M Performance Limited Slip Differential. To fit F20 & F21 1 Series. F22 & F23 2 Series, F30 & F31 3 Series, F32, F33 & F36 4 Series. The BMW M Performance limited slip differential is a mechanical rear axle differential which prevents slip when one of the wheels has low traction.