- Unit17 Exclusive
BMW G80 G82 M3 M4 3 piece diffuser in prepreg dry carbon fiber with gloss finish *UNIT EXCLUSIVE*- D3
$1,399.00
Extra 10% off with code 10OFF ends in
- Fitment guarantee — doesn’t fit the car listed? We cover return shipping.
- 1-year warranty on every product
- 14-day returns on uninstalled parts
- Tracked shipping — most orders ship within 5 business days
As seen on ANOTHER PULL channel
Transform the rear profile of your BMW G80 M3 G82 M4 with our newest release, the D3 our 3-piece carbon fiber rear diffuser, complete with rear corner extensions for a fully finished look.
Designed exclusively by Unit17 Auto Styling, this diffuser is not available from any other retailer.
Engineered for OEM-style installation, it fits seamlessly with your factory mounting points—no cutting or modifications required. Built from premium carbon fiber, this BMW G80 diffuser not only enhances aerodynamics but also delivers a lightweight, aggressive, track-inspired appearance that sets your M3 apart.
- BMW G80 M3 2021
- BMW G80 M3 2022
- BMW G80 M3 2023
- BMW G80 M3 2024
- BMW G80 M3 2025
- BMW G80 M3 2026
- BMW G82/G83 M4 2021
- BMW G82/G83 M4 2022
- BMW G82/G83 M4 2023
- BMW G82/G83 M4 2024
- BMW G82/G83 M4 2025
- BMW G82/G83 M4 2026
Fitment guarantee — If a part doesn’t fit the vehicle listed on its product page, contact us before installing and we’ll cover the return shipping for a refund or replacement.
Shipping to the US for this part: $129.00
Most orders ship within 5 business days and travel with UPS or FedEx, with tracking. Delivery dates are estimates; weekends and carrier holidays aren’t counted.
Unless otherwise stated, all orders will ship within 3 working days after payment has processed. All orders are sent via UPS or Fedex.
Full details: Shipping Policy
Fitment guarantee — If a part doesn’t fit the vehicle listed on its product page, contact us before installing and we’ll cover the return shipping for a refund or replacement.
Warranty — Every part is covered by a 1-year warranty against manufacturing defects.
Full details: Return Policy · Warranty
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Why Unit17
Carbon parts from people who drive them
LOCATION: NJ, USA
Founded in 2014, Unit 17 is the brand created by car enthusiasts who specialize in aftermarket carbon fiber for sports cars, luxury vehicles and performance vehicles.
Our company aims to provide the highest quality pre-preg carbon fiber styling parts. Being able to relate to fellow enthusiasts who share our passion for motoring is the key to Unit 17’s success.
Taking pride in our quality, service, and product fit is one of our top priorities.
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$1,399.00