BMW 1 Series F20 / F21 M-Sport Carbon Fiber Rear Diffuser (Dual Single Tailpipe / 2-Tip)
The 3DDesign Carbon Fiber Rear Diffuser is engineered specifically for the BMW 1 Series F20 5-Door and F21 3-Door models equipped with the M-Sport rear bumper (including M135i and M140i), delivering an OEM-quality fitment and a clean, aggressive lower rear profile for dual single-tip exhaust configurations.
Manufactured by 3DDesign Japan, this rear diffuser is constructed entirely from Carbon Fiber Reinforced Polymer (CFRP), providing exceptional structural strength, ultra-lightweight performance, and a high-gloss clear coat finish. Designed for seamless integration, it attaches directly to the factory M-Sport rear bumper using original mounting points for a precise, factory-like fit.
Installation is straightforward using original factory mounting locations and supplied instructions.
Kit Includes:
- 3DDesign Carbon Fiber (CFRP) Rear Diffuser (2-Tip Setup)
- Official installation guide
Specification Details Material | Carbon Fiber Reinforced Polymer (CFRP) Construction
Finish | High Gloss Clear Coat (Carbon)
Fitment | BMW 1 Series F20 5-Door & F21 3-Door with M-Sport Package (M135i / M140i)
Exhaust Outlet Setup | Dual Single Tailpipes (1 Outlet Left, 1 Outlet Right / 2-Tip)
Part No. | 3108-22011
Product Code | 3108-22011
Weight | Ultra-Lightweight CFRP Construction
Installation | Direct Attachment to M-Sport Rear Bumper
Manufactured by | 3DDesign Japan
Distributed by | Racebox