

BMW F90 M5 RWS Carbon Fiber Rear Diffuser
Pairs well with
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:
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In-house designed RWS (RW Signatures) exclusive
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Most aggressive diffuser option available for the F90 M5
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Full 3-piece setup: center diffuser + side bumper extensions
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Lightweight and strong 100% carbon fiber construction
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High-gloss UV-protected clear coat for long-lasting shine
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Designed to match other RW or OEM carbon components
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Fitment and finish backed by RW Carbon’s guarantee
Fitment:
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2018–2023 BMW F90 M5 (Includes LCI models)
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2019–2023 BMW F90 M5 Competition (Includes LCI models)
Installation Notes:
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Professional installation is mandatory – rear bumper must be removed
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Contact RW Carbon to schedule installation if you're in Southern California
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Installation time and complexity require experienced hands for optimal fitment
FAQs:
Q: Does this diffuser fit the LCI (facelift) M5?
A: Yes, it is fully compatible with all 2018–2023 F90 M5 models, including LCI and Competition variants.
Q: Is this a full replacement or an overlay?
A: This is a complete 3-piece replacement diffuser—not an overlay.
Q: Will this match my OEM carbon fiber parts?
A: Absolutely. It features a 2x2 carbon fiber weave that matches OEM and other RW Carbon components.
Q: Why must the bumper be removed for install?
A: The diffuser's aggressive wraparound side pieces require bumper removal to ensure proper fit and secure installation.
Q: Can RW Carbon install this for me?
A: Yes! If you're located in or near Southern California, contact RW Carbon directly to schedule your installation.

BMW F90 M5 RWS Carbon Fiber Rear Diffuser
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