aFe Power - 44-LF022-MBPro GUARD D2 Oil Filter (4 Pack) BMW 3-Ser (E36/46) / 5-Ser (E39/60) / X3 (E83) / Z4 (E85) L6Pro-Guard D2 oil filters are the next generation in oil filter technology. Pro-Guard D2 Oil Filters deliver increased flow and efficiency...