MMX Performance 60mm Billet Coolant Cap for BMW MMR03-1503 MMX M300 With the internal material also

With the internal material also mirrored on the outside

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

fit this replacement unit which comes with a factory spec O-Ring included

these are fully engineered replacements

a dramatic improvement in the braking department that still works perfectly in day-to-day driving duties

MMX Performance 60mm Billet Coolant Cap for BMW MMR03-1503 MMX M300 With the internal material alsoIt'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