Champion Rainbow Co. Ltd (Previously Golden Bloom)
MMX Billet fuel cap | All BMW & MINI
MMX Billet fuel cap | All BMW & MINI
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Premium aluminium petrol cap upgrade for BMW and MINI
Transform every stop at the pumps with the MMX solid alloy petrol cap. This precision piece replaces the standard plastic lid with a high quality, beautifully finished component that feels great in the hand and looks superb every time you refuel. It is a simple upgrade that adds a touch of motorsport style to any BMW or MINI while delivering dependable everyday functionality.
Engineered for a wide range of BMW and MINI applications, this direct replacement screw cap arrives ready to fit with a brand new sealing ring and a locating tag to ensure correct positioning. An integrated pressure relief system maintains the correct tank balance, so you keep the practicality of the original part with a significant uplift in quality and tactility.
- Direct replacement aluminium petrol cap for BMW and MINI platforms
- Includes new o-ring sealing ring and locating tag for proper fit and function
- Integrated pressure relief valve for consistent tank ventilation
- Durable solid billet construction for a premium, long lasting feel
- Quick, straightforward installation with no coding required
We run this upgrade on our own cars and customer builds, and feedback has been consistently excellent. Owners love the solid feel, the quality of the machining, and the refined appearance in the filler recess. It is a satisfying, high impact detail that elevates the ownership experience every time you twist it on and off.
Why choose this upgrade
If you are searching for a BMW petrol cap replacement, MINI fuel cap upgrade, alloy petrol tank cap, BMW gas cap UK, MINI Cooper filler cap, or a performance style screw cap for BMW and MINI, this MMX unit delivers the look, feel and reliability you want from a premium component.
Fitting and support
Want it fitted for you? Book installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
Relevant searches: BMW petrol cap, BMW gas cap, MINI petrol cap, MINI fuel cap, BMW tank cap, MINI Cooper filler cap, aluminium petrol cap, alloy fuel cap, screw in tank cap, OEM replacement petrol cap, BMW replacement cap UK, MINI cap upgrade.
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