BMW M3 F80 & M4 F82/F83 Genuine Carbon Fibre Rear Diffuser — Fin Style (2014–2020)

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.