BMW 5 Series G30 G31 Carbon Fiber Performance Rear Diffuser (2017+)

Finish the rear of your BMW 520i, 530i, 540i, M5 and M550i (G30, G31) with the Carbon Fiber Performance Rear Diffuser, adding aggressive vertical fins and a motorsport-derived lower section that ties the whole rear together.

Key Features

• Material & Finish: Manufactured from genuine carbon fiber with a UV-protected gloss finish for lasting depth and shine.
• Design: Sculpted fin design adds aggression and visual downforce to the rear.
• Precision Fitment: Modelled on OEM geometry for a clean, direct fit with no cutting or trimming required.
• Easy Installation: Fits using factory mounting points and included hardware — a straightforward upgrade.

Fitment

Engineered specifically for the BMW 520i, 530i, 540i, M5 and M550i (G30, G31). Confirm your exact model and chassis code before ordering.

Why Form Industries

Form Industries builds exterior and interior upgrades that fit right the first time — quality materials, precise tolerances, and U.S.-based dispatch and support.

Shipping

Form Industries products ship directly from our U.S. facility in Knoxville, Tennessee for fast, reliable nationwide delivery.