BMW F90 M5 RWS Carbon Fiber Rear Diffuser

BMW F90 M5 RWS Carbon Fiber Rear Diffuser – Signature Aggression & Track-Inspired Design (2018–2023)

Transform the rear-end of your BMW F90 M5 with the most aggressive diffuser RW Carbon offers—the RWS Carbon Fiber Rear Diffuser. Designed entirely in-house at RW’s Southern California facility, this RW Signatures (RWS) part delivers unparalleled visual impact and top-tier craftsmanship.

Constructed from 100% carbon fiber, this 3-piece diffuser includes the central diffuser element plus two side extensions that wrap around the rear bumper, enhancing your vehicle’s stance from every angle. Each unit is finished in a high-gloss, UV-resistant clear coat and hand-polished to achieve a stunning showroom shine. Every piece is also quality-checked and custom-packaged for shipping worldwide.

Features

• Exclusive in-house RW Signatures (RWS) design
• Most aggressive diffuser option available for the F90 M5
• Full 3-piece setup includes center diffuser and side bumper extensions
• Constructed from lightweight and durable 100% carbon fiber
• High-gloss UV-protected clear coat for long-lasting shine and protection
• Designed to match OEM and RW Carbon exterior components seamlessly
• Backed by RW Carbon’s fitment and finish guarantee
• Hand-polished and quality-checked before worldwide shipment

Fitment

• 2018–2023 BMW F90 M5 (Includes LCI models)
• 2019–2023 BMW F90 M5 Competition (Includes LCI models)

Installation Notes

• Professional installation is mandatory as rear bumper removal is required
• Contact CenCal to schedule installation if located in Southern California
• Installation complexity and fitment require experienced hands for best results

FAQs

Does this diffuser fit the LCI (facelift) M5?

• Yes, it is fully compatible with all 2018–2023 F90 M5 models, including LCI and Competition variants.

Is this a full replacement or an overlay?

• This is a complete 3-piece replacement diffuser, not an overlay.

Will this match my OEM carbon fiber parts?

• Yes, it features a 2x2 carbon fiber weave designed to match OEM and other RW Carbon components.

Why must the bumper be removed for installation?

• The aggressive wraparound side extensions require bumper removal to ensure proper fitment and secure installation.

Can RW Carbon install this for me?

• Yes. If you are located in or near Southern California, contact CenCal directly to schedule installation.