G20 3 Series Pre LCI Gloss Black CTM Diffuser
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Redefine the rear-end styling of your BMW G20 with the CenCal Motorsport CTM Style Gloss Black Rear Diffuser, engineered for enthusiasts who demand aggressive aesthetics with OEM-level precision. This diffuser transforms your 3 Series with a sharper, sportier design inspired by high-performance motorsport styling — delivering a more commanding and aerodynamic appearance from every angle.
Constructed from high-quality ABS plastic and finished in a premium gloss black coating, the CTM diffuser offers an ideal blend of durability, lightweight performance, and visual refinement. Its factory-style mounting points ensure a direct bolt-on installation, requiring no modification or drilling, while maintaining a seamless OEM fitment.
Perfect for those looking to elevate their G20’s presence without going over the top, this diffuser adds just the right balance of aggression and elegance — a statement piece worthy of the CenCal Motorsport name.
Product Features
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Premium Gloss Black Finish – Deep, reflective finish enhances the rear aesthetic and complements factory paint and carbon accents.
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CTM Style Design – Features sculpted fins and aerodynamic contours for a sportier, track-inspired rear profile.
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OEM-Level Fitment – Designed specifically for the G20 3 Series (Pre-LCI); installs directly using factory hardware with no cutting or drilling required.
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Durable ABS Construction – Lightweight yet strong ABS ensures lasting quality and impact resistance for street or daily driving.
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UV-Resistant Coating – Protects against fading, cracking, and surface dulling for long-term gloss retention.
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Direct Bolt-On Installation – Simple, secure fitment that aligns perfectly with factory bumper geometry.
Compatibility
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BMW G20 3 Series (Pre-LCI) – Model Years 2019–2022
(Fits M Sport rear bumper configurations only.)
Installation
Professional installation is highly recommended to ensure perfect alignment, secure mounting, and a flush, factory-quality finish.
G20 3 Series Pre LCI Gloss Black CTM 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.
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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.
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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.
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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.
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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
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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.