Blox Racing Electric Slim Fans and Mounting Kits Speedwell Wheels Black or red the AOS

Black or red the AOS are a clean easy install and easily maintained by taking off a single bolt for cleaning

For peak performance you need to know how much boost you are making

The Whiteline bushing kits are a great upgrade for any car no matter if it is used as a daily driver or dedicated track car

- This system uses a one piece sealed design to keep hot engine air out for maximum performance while maintaining a hassle free installation

E39 525i 528i 530i 540i 1997-2003 (Not for sport wagon)

Blox Racing Electric Slim Fans and Mounting Kits Speedwell Wheels Black or red the AOSBlox Racing high performance electric slim fans are an ideal upgrade for performance enthusiasts and racers. Whether you already have a high performance radiator or are planning to purchase one, the Blox Racing electric slim fan will deliver more air to the radiator and significantly aid in keeping your engine as cool as possible. Blox Racing slim fans are more durable and lighter than bulky OEM units, and more importantly, will deliver more cooling