MMX Performance BMW Billet Oil Filler Cap - S58 / B48E
$127.70
MMX Performance BMW Billet Oil Filler Cap - S58 / B48E
$127.70
The MMX Performance Billet Oil Filler Cap for the BMW S58 and B48E is a full replacement for the factory cap rather than a cover that clips over it. That distinction matters: the whole assembly is MMX's, machined from 6061 aerospace-grade aluminum and finished in the MMX signature gloss black anodizing, so there is nothing plastic left underneath.
Each cap arrives pre-sealed and pre-installed with an OE-spec valve and internal spring, which means there is no need to strip the valve assembly out of your factory cap and transfer it across. It is a genuinely plug-and-play swap: unscrew the old one, fit this one. A factory-spec Viton O-ring comes fitted, and an internally sprung clip gives the cap a secure and precise seat rather than the vague feel a worn plastic original develops.
Beyond the function, it is one of the more visible parts of the engine bay, and it sits alongside the rest of the MMX billet cap range if you are working toward a consistent look under the hood.
The cap is compatible with applications using BMW OE part number 11 12 8 654 637.
Product Details
- Full OE cap replacement, not a cover
- Designed and engineered in the UK
- Crafted from 6061 aerospace-grade aluminum
- Anodized in MMX signature gloss black
- Pre-installed factory-spec Viton O-ring
- Arrives pre-sealed with an OE-spec valve and internal spring fitted
- Internally sprung clip for a secure and precise fit
- No need to transfer the valve assembly from the factory cap
- Compatible with BMW OE part number 11 12 8 654 637
- MMX part number: MMR03-1601
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