Description
MMX BMW F-Series Billet Washer Fluid Filler Cap – MMX Logo replaces the standard plastic cap with a machined under-bonnet detail that is sturdier, cleaner and easier to grip.
The cap is CNC-machined from 6061 aluminium, finished in gloss-black anodising and supplied as a complete replacement rather than a cover. A pre-installed seal helps retain the factory-style fit.
Key features
- Exact current MMX-logo variant
- CNC-machined 6061 aluminium
- Gloss-black anodised finish
- Knurled outer edge for grip
- Complete replacement cap
- Pre-installed sealing ring
Fitment: MMX lists BMW F-Series applications using the matching washer-fluid filler neck. Compare the neck diameter and sealing arrangement before ordering.
SKU: MMR03-0000
Exact current official MMX-logo cap and installed engine-bay image.




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