aFe ProGuard D2 Fluid Filters Trans F/F TRANS BMW N20/N55/N63/S63/B58 Engines

The Pro GUARD D2 transmission filter represents the next generation in filter technology. This filter is designed to help protect sensitive shift control valves and prevent secondary damage to engine parts by providing maximum flow. By providing the transmission fluid more quickly, you get maximum protection that exceeds the OE requirement for filter efficiency.