G80 M3 G82 M4 3D Style Carbon Fiber Rear DiffuserBMW G80 M3 G82 M4 3D Style Dry Carbon Fiber Rear Diffuser OE Grade Dry Carbon (Glossy Finish) Aggressive Motorsport Design Stocked in California Ships in 12 Business Days Upgrade the rear profile of your BMW G80 M3 or G82 G83 M4 with the LAB 3D Style Dry Carbon Fiber Rear Diffuser, designed to give the rear bumper a more aggressive and sculpted motorsport appearance. The 3D Style design features deeper fins and sharper contours, adding visual depth