BMW Carbon Fiber Rear Bumper Extensions - F80 M3 / F82/83 M4

BMW F8X M3 / M4 Carbon Fiber Rear Bumper Extensions

Give your F8X rear bumper a more aggressive and track-inspired finish with the Carbon Fiber Rear Bumper Extensions, designed for the 2015–2020 BMW F80 M3 Sedan, F82 M4 Coupe, and F83 M4 Convertible. These extensions mount to the lower corners of the rear bumper, extending its profile for a wider, more planted look while enhancing aerodynamic flow.

Key Features

• Aggressive Styling Upgrade – Extends the bumper lines for a more dynamic, motorsport-inspired appearance.

• Premium Carbon Fiber Build – Made from lightweight, high-strength carbon fiber with a 2x2 weave pattern.

• Gloss UV-Protected Finish – Clear-coated to protect against fading, yellowing, and cracking while maintaining a deep gloss shine.

• Seamless Fitment – Designed to integrate perfectly with the factory rear bumper and compatible with most OEM and aftermarket diffusers.

• OEM+ Design – Complements other rear aero upgrades such as diffusers, splitters, and spoilers.

Specifications

• Material: 100% Carbon Fiber (2x2 weave)

• Finish: Gloss clear coat, UV resistant

• Pieces: 2 (left + right bumper extensions)

• Style: M-Performance inspired

• Fitment: 2015–2020 BMW F80 M3 / F82 M4 / F83 M4

Installation

• Installs using pre-applied adhesive tape and/or mounting hardware 

• Professional installation recommended for perfect alignment and secure mounting.