BMW B58 / S58 Billet Engine Oil Cap a4 b9 And the more boost you

And the more boost you run the higher the performance gains

more aggressive look to the rear of your BMW

4L V8 Twin-Turbo powered 550i allows you to take your N63 engine to the next level

Designed to deliver an impressive gain of up to 25+ horsepower to the wheels

Each Burger Motorsports performance air filter is encapsulated in a durable silicone frame and is washable

BMW B58 / S58 Billet Engine Oil Cap a4 b9 And the more boost youThe Precision Raceworks Billet Engine Oil Cap is a functional and stunningly stylish way to add a nice touch to any engine bay! This cap come in three color options so there is always a color that will work for you! Black with Billet, Black with Blue, and the Stealth series (all black). Many people don't realize it but the OEM caps have a pressure release valve built into them. Often times aftermarket companies don't know this either or just don't