BMW 2002, E21, E30, E36 (318i, 320i)
Classic (1983-1998) BMW differentials from E30 to E36. Most 318i and 320i models with the small differential. These differentials have 4 bolts on the side covers and 6 bolts on the back plate. Some E21 and 2002 LSDs can accept the E30/E36 LSD and ring and pinion sets.