F90 M5 2018+ Carbon Fiber F1 LED Diffuser
Fitment Guarantee
6000+ Happy Customers
Package Protection Available
Real Human Support
Pairs well with
Unleash the full potential of your BMW M5 with the CenCal Motorsport Carbon Fiber F1 LED Rear Diffuser, designed to blend aggressive motorsport styling with precision-engineered aerodynamic performance. Featuring a bold F1-inspired LED brake light, this diffuser delivers an unmistakable race-ready aesthetic that enhances visibility and attitude from every angle.
Crafted from authentic 2x2 twill weave carbon fiber, it offers exceptional strength, lightweight construction, and a deep gloss finish that reflects true motorsport craftsmanship. Each diffuser is carefully engineered for OEM-level fitment, installing directly onto factory mounting points with no cutting or modification required.
Perfect for enthusiasts who demand both form and function, this diffuser transforms your F90 M5 into a statement of precision performance — the ultimate blend of street presence and track-inspired aggression.
Product Features
-
Authentic Carbon Fiber Construction – Made from high-grade 2x2 twill weave carbon fiber for superior strength, light weight, and durability.
-
Aggressive F1-Inspired Design – Track-proven styling with integrated fins and aerodynamic contours that accentuate the M5’s muscular lines.
-
Integrated F1 LED Brake Light – Functional LED center light delivers a distinctive motorsport look and enhances visibility.
-
Precision OEM Fitment – Engineered specifically for the F90 M5; installs seamlessly using factory hardware with no drilling or trimming required.
-
UV-Protected Gloss Finish – Long-lasting clear coat prevents yellowing and fading, maintaining a deep carbon shine.
-
Lightweight & Durable – Built for performance driving, combining rigidity and low weight for everyday or track use.
Compatibility
-
BMW F90 M5 (2018–2023)
(Fits all trims equipped with the OEM M Sport rear bumper.)
Installation
Professional installation is strongly recommended to ensure correct LED wiring, secure mounting, and precise alignment for a flawless fit.
F90 M5 2018+ Carbon Fiber F1 LED Diffuser
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Orders take 24–48 hours to process once placed. Made-to-order items begin production after processing, while in-stock items are prepped, packaged, and ship within 3–4 days from our Oceanside, CA location (please allow extra time for packages to arrive during high-volume periods). Some items may be backordered—if so, we’ll email you with status and options. Freight items such as wheels, exhausts, trunks, and hoods require additional handling time and may ship separately.
-
Customer Support
Real BMW-savvy humans here. We’re available Mon–Fri, 10am–5pm PT by email and phone/text for install questions, fitment help, or order updates. Send your year/model/trim (VIN if handy) and we’ll point you to the right parts fast.
-
FAQ’s
Quick answers to the most common questions: fitment & compatibility, order changes/cancellations, build & lead times, international shipping & duties, and returns/exchanges. Start there for instant clarity—then reach out if you still need a hand.
-
Contact Us
Need help choosing parts or tracking an order? Send an email to our support team, support@cencalmotorsport.com
Buy with confidence
Fitment guarantee
Engineered for your BMW. Guarantee applies with professional installation — if it doesn’t fit, we fix it.
Secure checkout
Shop with confidence. Every order runs through encrypted PCI-compliant checkout, and flexible payments are available with Affirm - so you can mod now, pay later.
Real Support
Talk to real enthusiasts. Our team answers every email same business day (Mon–Fri, 9AM–5PM PST) so you’re never left hanging when it comes to your build.
About Us
Cen-Cal Motorsport isn’t just a parts shop, it’s a lifestyle for BMW enthusiasts who crave performance, precision, and style. We’re all about taking your BMW to the next level with premium parts that bring out the beast under the hood while keeping its luxury look on point.
Your BMW isn’t just a car—it’s an experience. Whether you're upgrading for speed, handling, or simply flexing on the road, we’ve got the gear to match your passion.
Why settle for stock? Explore our lineup and see how real quality transforms the drive. Got questions? Hit us up anytime—your ride deserves nothing but the best.
win a single turbo e92 335i
We brought this E92 335i back from the dead — now it’s your chance to take the keys. From the yellow-powdered turbo and short-throw shifter to our full valved catback system, every inch of this build represents what CenCal Motorsport stands for: no halfway builds.
Every purchase of merch or quick entry gets you closer to owning this car. Whether you’re a die-hard BMW enthusiast or just chasing the dream of a true street-built machine — this is your shot.