See product description for included components and manufacturer details.
Validation
Install notes
DIY-friendly; professional help recommended for custom setups.
Requirement
Before checkout
Use the variant selector and product description to match the correct application before ordering.
BMW G80 M3 Carbon Fiber PSM Diffuser + Undertray
Elevate your BMW G8Xs rear aesthetics and performance with the Carbon Fiber PSM Diffuser + Undertray. This meticulously crafted 9-piece kit seamlessly integrates with your vehicle, delivering an aggressive and refined appearance. Constructed from premium 2x2 weave carbon fiber, it ensures durability while enhancing the sporty appeal of your M3.
Specifications
1. High-Quality Carbon Fiber Construction
Utilizes genuine 2x2 weave carbon fiber for a lightweight yet robust build.
2. Comprehensive 9-Piece Kit
Includes the upper diffuser, undertray, 4 fins, 2 underside pieces & tow hook cover.
There is a optional add on for the side splitters!
3. Aerodynamic Design
Engineered to improve airflow and reduce drag, contributing to enhanced vehicle stability.
4. Seamless Integration
Designed to align perfectly with the BMW G8X's factory specifications for a flawless fit.
5. UV-Resistant Finish
Features a clear coat that protects against UV rays, maintaining the glossy finish over time.
Benefits
Enhanced Rear Aesthetics: Transforms the rear profile of your G8X, adding a distinctive and aggressive look.
Improved Aerodynamics: Contributes to better downforce and stability at higher speeds.
Durability and Longevity: Crafted from high-quality materials to withstand various driving conditions.
FAQs
Q: Is this diffuser compatible with all BMW G8X M3/M4 models?
Yes, it is specifically designed to fit all 2021 and newer BMW G80 M3 & G82/G83 M4 models.
Q: Does the installation require professional assistance?
Due to the complexity and size of the diffuser, professional installation is recommended to ensure optimal fitment.
Q: How does the diffuser affect the vehicle's performance?
The aerodynamic design aids in improving airflow and reducing drag, enhancing overall vehicle stability.
Q: Is the carbon fiber finish resistant to environmental factors?
Yes, the diffuser is coated with a UV-resistant clear coat to protect against fading and environmental damage.
Part number
G8X-PSM-CFDIF
Status
Ready to ship
Application window
Use the variant selector and product description to match the correct application before ordering.
Install confidence
Difficulty
Beginner to intermediate
Time
15-45 minutes
Tools
Basic hand tools + OBD access
Recommendation
DIY-friendly; professional help recommended for custom setups.
Installation notes
Confirm supporting hardware and calibration requirements before installation.
Shipping
Orders ship with tracked delivery and insurance coverage options at checkout.
Returns
Unopened items may be returned inside the stated return window per policy terms.
Shipping estimator
Enter ZIP to preview delivery window. Final rates shown at checkout.
Recently Viewed
Checkout review
Your cart (0)
Confirm fitment, quantities, and order notes before checkout.