Billet Aluminium Engine Oil Thermostat Cap N54 N55 S55

Add a bit of pop to your N54 N55 S55 engine bay with these engine oil thermostat caps. 

Anodized for an aesthetically pleasing appearance, these caps are an excellent way to bring excitement to your engine bay. 

Extremely easy DIY install. 

Fitment:

N54 135i 335i

N55 135i M135i M235i 335i 435i 535i etc

S55 M2 Competition M3 M4