Full Polyurethane Frame: All aFe POWER flat panel performance air filters are constructed with a full 360-degree polyurethane frame. Unlike other materials that degrade after repeated heat cycles in an engine bay, polyurethane maintains its original molded shape. Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media BMW 330i/iX (G20) / Z4 30i (G29) 2019 L4-2.0L (t) BMW 330i/iX (G20) / Z4 30i (G29) 2019 L4-2.0L (t)
