MMX Performance 60mm Billet Coolant Cap for BMW MMR03-1503 MMX M300 For the final CEUK touch

For the final CEUK touch

Improve gas flow and increase performance with our HKS T04Z turbo blanket

This is harmless and does not affect performance

With the internal material also mirrored on the outside

MMX Performance 60mm Billet Coolant Cap for BMW MMR03-1503 MMX M300 For the final CEUK touchIt's meticulously machined from this billet with the latest CNC 5 axis technology, before being polished, then gloss anodised to stay beautiful year after year. All MMR coolant caps arrive pre sealed and pre installed with an OE spec valve and internal spring. No need to remove the valve assembly from your OE cap. A true plug and play solution. It has been designed to instantly give your BMW an under bonnet boost in the aesthetic department, finished