BMW M3 F80 & M4 F82/F83 Genuine Carbon Fibre Rear Diffuser — Fin Style (2014–2020)
- UK Free Delivery on all orders!
- Low stock - 2 items left
- Finished To Order
For the BMW M3 F80, M4 F82 Coupé, and M4 F83 Convertible — our genuine carbon fibre rear diffuser with vertical fin channels adds a factory-plus premium detail to the rear-end. Made from real woven carbon fibre with a UV-protective lacquered finish, the single-piece design features four vertical strake fins across the centre for a subtle but distinctive diffuser look that integrates cleanly with the factory bumper lines.
Direct-fit compatibility:
- BMW M3 F80 (Saloon) — 2014–2018
- BMW M4 F82 (Coupé) — 2014–2020
- BMW M4 F83 (Convertible) — 2014–2020
- Compatible with M3/M4 Competition Package variants
Not compatible with:
- Standard F30/F31 3 Series or F32/F33/F36 4 Series — different rear bumper
- BMW M3 G80 or M4 G82/G83 (2021 onwards) — newer generation, different bumper
- BMW M3 E90/E92 (pre-2014) — older generation
Please compare your rear bumper shape to our product images before ordering.
Prefer a bolder, wider stance? See our BMW M3/M4 F80/F82/F83 carbon fibre rear diffuser — Aero Style — same fitment, three-piece design with dramatic wide side aero fins.
Manufacturer references: BMW, M3, M4, F80, F82, F83 are trademarks of BMW AG, used here solely to indicate product compatibility. AutoCap Solutions is an independent aftermarket retailer and is not affiliated with, endorsed by, or authorised by BMW AG or the BMW M Division.
All AutoCap Solutions products are covered by our standard replacement policy in the rare event of manufacturing fault.
Shipping
Order before 1pm — dispatched within 2 working days.
UK: 1–3 working days after dispatch
International: 5–14 working days after dispatch
Finished to order — please allow 2-4 weeks for delivery. This item is finished to order, so please allow additional time for completion before dispatch. We'll keep you updated on progress throughout.
Delivery times are estimates and exclude weekends and bank holidays.
See more in our Shipping Policy.
Items are eligible for return after 30 days of receiving the item. Ensure the item is in its original packaging, new and unused, with its original tags. If the item is not as described, the return cost will be free. For more information please visit Return and Refund Policy
All vehicle manufacturer names, model designations, and logos referenced on this website (including but not limited to Volkswagen, VW, BMW, Audi) are the registered trademarks of their respective owners and are used here solely to indicate the vehicles with which our products are designed to fit.
AutoCap Solutions is an independent aftermarket retailer. We are not affiliated with, endorsed by, sponsored by, or in any way officially connected with any vehicle manufacturer named on this site, nor with any of their subsidiaries or affiliates.
All products sold are aftermarket parts and accessories, not genuine manufacturer parts, unless explicitly stated otherwise.
