BMW B58 / S58 Billet Engine Oil Cap Color:Silver Preloaded with custom JB4 Mercedes

Preloaded with custom JB4 Mercedes tuning software and up to 8 maps for various fuel and modification levels

It's common knowledge that excessive heat can be extremely detrimental to your BMW transmission

The Precision Raceworks N54/N55 TOP MOUNT PORT INJECTION LINE is compatible with most aftermarket manifolds with top mount port injection

• ARM Silicone Couplers + Clamps

(2) Air filter quality sensor extension harnesses

BMW B58 / S58 Billet Engine Oil Cap Color:Silver Preloaded with custom JB4 MercedesThe 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