2-year warranty
Secure payment
Fast delivery
14-day returns
VAT included for EU customers
Each order is prepared with the utmost care in our workshop in France.
Shipping within 24/48 working hours, with secure packaging to protect your parts.
Delivery France 🇫🇷: 2 to 4 working days via premium carriers (Colissimo, Mondial Relay, Fedex or UPS).
Delivery Europe & International 🌎: 3 to 7 working days with real-time tracking.
A personalized tracking email is sent to you as soon as your order is shipped.
The Le Billet fuel cap for BMW R18 replaces the original part with a precision-machined component designed to enhance perceived quality and finishing coherence at the top of the tank. On a platform where volumes are bold and highly exposed, this visual and functional contact point deserves a part that matches the overall presence of the motorcycle.
The design combines precise machining and rigid materials to ensure consistent seating and smooth closing over time. The peripheral knurling provides a firm grip for everyday use, especially with gloves or in wet conditions. Opening and closing gain in control, delivering a more mechanical and substantial feel compared to a standard cap.
The internal system integrates a spring-loaded valve and ventilation ports. This architecture manages pressure variations caused by fuel thermal cycles while maintaining controlled tank ventilation. Sealing is ensured by a petrol-resistant O-ring designed to withstand prolonged contact with fuel, maintaining a clean and reliable closure over time.
In terms of integration, the cap follows a discreet yet distinctive customization approach, bringing a more technical finish to a highly visible area. Depending on the R18 configuration, it can reinforce a full-black setup, maintain an aluminum contrast, or introduce a more pronounced accent through detail finishes.
Installation is a direct replacement of the original cap, requiring no modifications, ensuring a fully reversible fit consistent with OEM assembly.
Need advice to validate your configuration (controls, routing, installation)? Our FCR Accessories team is available at +33 5 49 62 03 26 or by email.
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2-year warranty
Secure payment
Fast delivery
14-day returns
VAT included for EU customers
The Le Billet fuel cap is manufactured from 6061-T6 aluminum and aviation-grade brass, materials selected for their mechanical strength and thermal stability. CNC machining ensures perfect dimensional accuracy and a premium-level finish consistent with the BMW R18’s high-end character.
The upper cap features precision knurling to provide excellent grip. This design improves handling during opening and closing, even when wearing gloves or in wet conditions. Daily use remains smooth, intuitive, and secure.
The cap integrates a petrol-resistant O-ring ensuring reliable sealing over time. Its internal spring-loaded valve connected to three vents allows controlled tank pressure regulation, preventing overpressure while maintaining safe and efficient fuel system operation.
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Before / After
Each FCR Accessoires creation brings a touch of character and exclusivity to your BMW R18 .
A refined design, noble materials and 100% French manufacturing.
Before
After
Compatible with: BMW R18
Installation without modification: Parts designed to fit your original motorcycle model.
Complete delivery: Detailed installation manual and mounting hardware included.
The Le Billet fuel cap is designed specifically for the BMW R18 platform. It is important to ensure that your model uses the same thread type as the standard R18 version before installation, particularly for Classic, Bagger, or Transcontinental variants.
No. The cap directly replaces the original BMW R18 fuel cap. It screws onto the existing thread without any modification or adaptation to the tank.
Yes. It integrates a fuel-resistant O-ring that ensures optimal sealing. The internal spring-valve system also provides safe management of internal tank pressure.
The black finish is anodized to ensure excellent resistance to weathering and wear. It is designed to maintain its appearance over time, even with regular use.
Yes. It features a spring-loaded valve connected to three vents, allowing controlled pressure release and preventing internal tank overpressure.
Its primary purpose is aesthetic and qualitative. It does not increase engine performance but enhances the overall finish and visual coherence of the BMW R18.
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All our accessories are imagined, developed and handmade in our FCR Accessories workshop, directly derived from the FCR Original preparation department. As the beating heart of our company, this workshop concentrates all the know-how of our craftsmen and technicians. Each piece is adjusted with precision, designed to combine aesthetics, performance and durability. Nothing is left to chance: from material cutting to final assembly, each step reflects the passion and high standards that have built FCR Accessories' reputation in the high-end motorcycle world.
Designed, manufactured and assembled in Poitiers, France, in our FCR Accessoires workshops, following the finest French craftsmanship standards.
Easy and quick installation, with no cutting or welding required. Each kit includes instructions, mounting hardware and necessary accessories.
Premium materials (stainless steel, aluminium, epoxy-coated steel) and flawless finishes ensure exceptional resistance and longevity.
Every accessory stems from our FCR Original motorcycle expertise — combining performance, design and innovation.
Fast and secure worldwide shipping, with careful packaging and full tracking of your order.
Our team of enthusiasts advises and supports you every step of the way, before and after your purchase.
Parts made with the same precision as our FCR Original motorcycles — created to enhance your machine with authenticity.
Our design and engineering teams develop exclusive accessories that combine style, ergonomics and performance.
