For the BMW 3 Series F30 Saloon and F31 Estate with M Sport bumper and dual exhaust — our rear diffuser adds a sharper, more aggressive finish to the rear-end with a carbon fibre look finish on durable ABS plastic.
⚠️ Dual exhaust configuration only — one exit on each side. This diffuser is designed for the dual exhaust setup where you have one exhaust tip on the left and one on the right. It will NOT fit dual left exit (both tips on same side) or single exit configurations. Please check your exhaust configuration before ordering.
M Sport bumper only. This diffuser is designed for the M Sport bumper. It will NOT fit the M3 F80, which has a different bumper design, or standard SE/Sport Line/Luxury Line bumpers.
Direct-fit compatibility — M Sport bumper with dual exhaust (one exit each side) only:
Manufacturer references: BMW, 3 Series, F30, F31 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.
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
Delivery times are estimates and exclude weekends and bank holidays.
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