MMX Washer Fluid Filler Cap | G Series | MMX LOGO
Upgrade your engine bay with the MMX billet washer fluid cap. Precision CNC-machined from solid aluminium and finished in anodised gloss black for lasting durability. Designed as a direct replacement for the factory plastic cap, it delivers a refined look and premium feel. The perfect finishing touch to our comprehensive under-bonnet dress-up range.
Provides a beautiful complete replacement for your factory plastic cap to really smarten up the under bonnet visuals.
The MMX Performance billet washer bottle cap for BMW G8x models is a UK-engineered upgrade, crafted from a solid block of aluminium.
Purpose-built to replace the factory plastic cap, it delivers a refined feel and a premium under-bonnet finish that far surpasses the OE part.
Each washer fluid cap is precision-sealed to ensure a perfect, leak-free fit. Unlike simple stick-on covers, this is a full replacement designed to integrate seamlessly. Using the latest CNC 5-axis machining, every cap is meticulously shaped, then hand-polished and gloss-anodised for durability and lasting beauty.
Designed and engineered in the UK.
Crafted from 6061-T6 aerospace-grade aluminium.
Full OE cap replacement, not just a cover.
Anodised in MMX signature gloss black.
Joins existing range of MMX billet caps.
Pre-sealed for a precise and leak-free connection.
Please note if the part is under excessive heat for prolonged periods of time, it can affect the overall finish, which is unavoidable with anodised aluminium products.
Vehicle fitment.
While every effort has been made to ensure the accuracy of vehicle information, we are not liable for abnormalities or inaccurate data. Customers are wholly responsible for checking fitment for their specific vehicle and engine variant.
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