BMW Z4 E89 M-Sport Carbon Fiber Rear Diffuser (Quad Exhaust / 4-Tip)
The 3DDesign Carbon Fiber Rear Diffuser is engineered specifically for the BMW Z4 E89 platform equipped with the M-Sport rear bumper, delivering an OEM-quality fitment and an aggressive lower rear aesthetic designed for use with 4-tip quad exhaust setups.
Manufactured by 3DDesign Japan, this rear diffuser is constructed entirely from Carbon Fiber Reinforced Polymer (CFRP), offering exceptional structural strength, ultra-lightweight performance, and a high-gloss clear coat finish. Designed for seamless integration, it attaches directly to the M-Sport rear bumper to optimize rear airflow and give the Z4 an assertive, performance-inspired stance.
Installation is straightforward using original factory mounting locations and supplied instructions.
Kit Includes:
- 3DDesign Carbon Fiber (CFRP) Rear Diffuser (4-Tip M-Sport Setup)
- Official installation guide
Specification Details Material | Carbon Fiber Reinforced Polymer (CFRP) Construction
Finish | High Gloss Clear Coat (Carbon)
Fitment | BMW Z4 E89 with M-Sport Package (sDrive23i, sDrive28i, sDrive30i, sDrive35i, sDrive35is)
Exhaust Outlet Setup | Quad Exhaust Tailpipes (2 Outlets Left, 2 Outlets Right / 4-Tip)
Part No. | 3108-18931
Product Code | 3108-18931
Weight | Ultra-Lightweight CFRP Construction
Installation | Direct Attachment to M-Sport Rear Bumper
Manufactured by | 3DDesign Japan
Distributed by | Racebox
