G22/G23 4 Series Carbon Fiber Rear Bumper Extensions
Fitment Guarantee
6000+ Happy Customers
Package Protection Available
Real Human Support
Pairs well with
Complete the rear-end transformation of your BMW with the CenCal Motorsport Carbon Fiber Rear Bumper Extensions, designed specifically for the G22 Coupe and G23 Convertible 4 Series. These extensions enhance your car’s rear profile with aggressive, motorsport-inspired styling that perfectly complements other carbon fiber aero components like diffusers, lips, and spoilers.
Crafted from authentic 2x2 twill weave carbon fiber, these extensions offer exceptional strength, lightweight performance, and a flawless UV-protected high-gloss finish that highlights the carbon weave’s deep texture and clarity. Each piece is precision-engineered for OEM-level fitment, ensuring seamless integration with the factory rear bumper — no modifications required.
The result is a subtle yet impactful upgrade that adds width, depth, and presence to the rear end of your 4 Series — embodying the signature CenCal Motorsport look of performance and precision.
Product Features
-
Authentic Carbon Fiber Construction – Made from premium 2x2 twill weave carbon fiber for lightweight strength and durability.
-
Aggressive Rear-End Styling – Extends the lower bumper line for a bolder, track-ready appearance.
-
UV-Protected Gloss Finish – Deep, mirror-like coating that prevents fading, cracking, or yellowing over time.
-
Precision OEM Fitment – Designed exclusively for G22 and G23 models; installs cleanly with factory alignment.
-
Lightweight & Durable – Engineered for both daily driving and high-performance use.
-
Pairs Perfectly with Other Carbon Aero – Complements diffusers, lips, and side skirts for a cohesive, performance-oriented look.
Compatibility
-
BMW G22 4 Series Coupe (2021–2024+)
-
BMW G23 4 Series Convertible (2021–2024+)
(Compatible with M Sport and M Performance rear bumper configurations.)
Installation
Professional installation is strongly recommended to ensure proper alignment, secure fitment, and a clean OEM-quality finish.
G22/G23 4 Series Carbon Fiber Rear Bumper Extensions
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.