



F8X M3 | M4 Type 1 Rear Carbon Diffuser
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Pickup available at LAB X Premium
Usually ready in 24 hoursIn stock! Ships within 1-2 business days.
2-Year Warranty (Defects)
Pairs well with
F8X M3 | M4 Type 1 Carbon Rear Diffuser
Stocked and Ships from Southern California in 1β2 Business Days
π Engineered for Performance. Built for Precision.
Enhance the rear profile of your BMW F80 M3 or F82/F83 M4 with The LAB Type 1 Carbon Fiber Rear Diffuser β a sleek, motorsport-inspired upgrade that delivers aggressive aesthetics and aerodynamic refinement without compromising OEM fitment.
Crafted from high-quality standard carbon fiber, this diffuser provides a beautiful weave pattern, deep gloss finish, and lightweight construction. Designed to elevate your Mβs appearance, the Type 1 diffuser adds bold contours and visual depth to your rear end β all while maintaining clean lines and everyday drivability.
β³οΈ Premium Carbon Fiber Construction
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OEM-Matched Weave & Gloss Finish β Seamlessly complements factory-style carbon fiber accessories.
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Lightweight & Durable β Built from strong, reinforced carbon fiber for lasting rigidity and reduced weight.
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UV-Protected Gloss Coating β Prevents yellowing, fading, and discoloration from long-term sun exposure.
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No Brake Light β Clean, simplified look for enthusiasts who prefer a sleek, uninterrupted rear design.
βοΈ Perfect Fitment Guaranteed
Each diffuser is test-fitted on real F8X vehicles to ensure OEM-level precision and alignment. Designed for a straightforward bolt-on installation, it fits flush against the factory bumper with no cutting, trimming, or modifications required.
π¨ Aggressive Type 1 Design
The LAB Type 1 Carbon Diffuser features distinct fins and aerodynamic shaping that optimize airflow while giving your F80 or F82 a more assertive stance. The design blends performance and street appeal β transforming your BMWβs rear end into a statement piece.
π§ Key Features
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High-Quality Carbon Fiber Construction
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Deep Gloss UV-Resistant Finish
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Aggressive Type 1 Fin Design
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No Brake Light Opening (Clean Style)
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Direct Bolt-On Fitment β No Modifications Required
π¦ Application
β BMW F80 M3 (2015β2018)
β BMW F82 | F83 M4 Coupe & Convertible (2015β2020)
π Why Choose The LAB
At Legendary Auto Builders, every part is California-stocked, test-fitted, and quality-verified to ensure unmatched craftsmanship, precise fitment, and premium finish. When you order from us, youβre getting trusted performance, OEM-grade quality, and dedicated U.S. support.

F8X M3 | M4 Type 1 Rear Carbon Diffuser
Weβve got you.
Whether itβs fitment questions, order updates, or install guidance, our teamβs here to make sure you get the right parts, the first time. Fast replies, real support, no runaround.
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Shipping Information
We ship fast and nationwide. Most in-stock items leave our SoCal warehouse within 1β3 business days. You'll get tracking as soon as itβs on the way. Need it quicker? Expedited options are available at checkout.
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Customer Support
Questions about your order? Our support team is here to help every step of the way. Reach us by email or DM.
Fast responses, real solutions, no bots.
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Contact Us
Whether itβs about your order, install guidance, or wholesale inquiries, donβt hesitate to reach out.
πΒ Phone:Β +1 (949) 371-5212
π§Β Email:Β orders@legendaryautobuilders.com
πΒ Visit Us:Β 21087 Commerce Pointe Drive, Walnut, CA 91789Weβll always do our best to get back to you quickly and take care of you the right way.

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When it comes to proper builds, FreshhKiicks knows what is takes to stand out. That's why he chose to go with LAB parts for his LCI X3M.
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