Dinan High-Flow Replacement Air Filter for - 1997-2003 BMW 540i

Stainless Steel - Polished Tips - w/ Standard Bumper - E39Dinan's Free Flow Axle-Back Exhaust for the 540i provides power gains without the excessive noise associated with typical ''performance''...

Compatible w/ Dinan Carbon Fiber Intake - E90/E92/E93Replacement air filter for High Flow Carbon Fiber Intake (D760-0028). Dinan Filter replacement interval: 20000 miles under normal driving...

Carbon Fiber - E39Dinan High Flow Cold Air Intake Systems develop horsepower and torque gains by improving the engine's intake airflow. The aggressive system design provides for a less restrictive...

Compatible w/ Stock Air Box - E38/E53 (M54/M73)Dinan High Flow Drop-in Replacement Filters are a direct upgrade to your factory intake system and will instantly provide better flow to assist your...

E38/E39Replacement air filter protection sock.