BMW F8X M3/M4 RWS Carbon Fiber Diffuser

The RWS or RW Signatures carbon fiber rear diffuser features a 3 fin design for a modded look without being overly aggressive and in your face. The RWS F8X diffuser is perfect for the customer who wants the unique aggressive carbon fiber diffuser but doesn't want to worry about scraping or getting caught on parking blocks which can be an issue with the larger diffuser options we offer.

These RW Signature M3/M4 diffusers are designed in-house at RW so you can guarantee they are unique to anything else on the market. The piece is produced with genuine 2x2 carbon fiber in conjunction with industry leading resins and clearcoats which ensures this diffuser looks amazing on day 1 and years down the road.

We complete each item with a UV resistant clearcoat — non yellowing, fading, or discoloration. Stand out from all the other M3 and M4s on the road today with a diffuser that's as unique as your vehicle, the RW Signature carbon fiber diffuser.

Features

RW Signature 3 Fin Design

• Delivers an aggressive appearance without being overly extreme or impractical for daily driving.

Premium 2x2 Carbon Fiber Construction

• Crafted using genuine 2x2 carbon fiber for lightweight durability and premium aesthetics.

UV Resistant Clearcoat

• Protected against yellowing, fading, and discoloration for long-term durability and shine.

In-House RW Design

• Exclusively designed by RW Carbon for a unique look unlike anything else on the market.

Street-Friendly Styling

• Designed to minimize scraping issues commonly found with larger diffuser styles.

OEM-Style Fitment

• Seamlessly integrates with the factory rear bumper for a clean motorsport-inspired appearance.

Fitment

• 2015-2020 BMW F80 M3 Sedan
• 2015-2020 BMW F82 M4 Coupe
• 2015-2020 BMW F83 M4 Convertible

Installation

• Installation takes the experienced tech about 30-60 minutes from start to finish.
• Professional installation is recommended for optimal fitment and alignment.