aFe Momentum Intake Replacement Air Filter 4 IN F x 6-1/2 IN B x 6-1/2 IN T (Inverted) X 8 IN H - 20-91153 fits_1987-1991`BMW`M3 Bluetooth Connectivity to your iOS

Bluetooth Connectivity to your iOS or Android Smartphone to Adjust the Power Modes

providing a secure factory-style fit and hassle-free installation

Tool-free installation

R18 engine

keeping the remote key outside the vehicle's signal range makes the process cleaner

aFe Momentum Intake Replacement Air Filter 4 IN F x 6-1/2 IN B x 6-1/2 IN T (Inverted) X 8 IN H - 20-91153 fits_1987-1991`BMW`M3 Bluetooth Connectivity to your iOSThis filter features ten layers of pre oiled cotton gauze media to provide maximum Longevity. Its progressive layering allows the filter to flow at high levels even when dirty, while its inverted top makes for more filter surface area, resulting in longer service intervals. This media is available for select diesel truck applications. Pro 10R filters are easily recharged with aFe's POWER CLEANER and blue air filter oil. aFe POWER performance air