BMW B58 / S58 Billet Engine Fluid Cap Set ActiveHybrid (F10) engine knock

engine knock

or any aftermarket turbo inlet

Transform your BMW G80 M3 or G82/G83 M4 with the Carbon Fiber OEM Style Mirror Caps by Palenon Performance

No expenses were spared with this extremely versatile product

Enhanced Sound: Enjoy a more exciting driving experience with better throttle response and a sportier engine sound

BMW B58 / S58 Billet Engine Fluid Cap Set ActiveHybrid (F10) engine knockBundle and SAVE! Choose your color combo to dress up your engine bay! The Precision Raceworks Billet Engine Cap Set is a functional and stunningly stylish way to add a nice touch to any engine bay! These caps 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.