BMW G30 5 Series - M Sport Carbon Fiber Rear Diffuser

Enhance the rear-end presence of your BMW G30 / G38 5 Series M Sport (540i – 2017–2019) with our Carbon Fiber Rear Diffuser — a sleek, race-inspired upgrade that sharpens styling while improving aerodynamic flow. Designed to fit perfectly with the M Sport rear bumper, this diffuser gives your 5 Series a lower, wider, and more aggressive stance on the road.

Crafted from 100% premium 3K twill weave carbon fiber, the diffuser is ultra-lightweight, structurally rigid, and finished with a deep, high-gloss UV-resistant clear coat for lasting protection and brilliance. The sculpted fin layout adds depth and racing character, all while maintaining a clean, OEM+ fitment.

Key Features:

• Fitment: BMW G30 / G38 5 Series M Sport Sedan (540i – 2017–2019)

• Style: Sport performance carbon fiber rear diffuser with aerodynamic fins

• Material: 100% premium 3K twill weave carbon fiber

• Finish: Glossy UV-resistant clear coat for long-term shine and durability

• Design: Aggressive multi-fin styling designed to follow factory bumper lines

• Function: Improves rear airflow, enhances sporty styling, and delivers a race-ready look

• Installation: Direct bolt-on fitment to M Sport bumper; professional installation recommended

Complete your G30 540i’s transformation with a carbon fiber rear diffuser that blends performance, elegance, and pure BMW motorsport DNA.