ADRO G8X M3 M4 Rear Diffuser

Select Vehicle M3

 Make that quad exhaust pop even more with the ADRO carbon fiber rear diffuser for the G8X BMW M3/M4. Featuring a more aggressive design, carefully engineered aero, and a beautiful carbon fiber finish, this is by far the highest quality and most aggressive rear diffuser currently available for the G8X platform.


M3: A14A30-1301
M4: A14A40-1301

Compatible with:

2021-2023 BMW M4 Standard
2021-2023 BMW M4 Competition
2023 BMW M4 CSL
2021-2023 BMW M3 Standard
2021-2023 BMW M3 Competition

Kit includes:

Rear Diffuser


Prepreg ("Dry") Carbon Fiber



M3: 721 mm x 1,760 mm x 276 mm
M4: 698 mm x 1,860 mm x 300 mm

What’s in the box:

Rear Diffuser
3M Tape

Installation guide:

Professional installation only



Standard processing times are 7-14 business days currently due to the HIGH amount of orders processing.

*Excludes Special Order Items*

If any part of your order is out of stock we will contact you.

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We highly recommend professional install. If you are local to us please contact us to Schedule An Installation Appointment!

We are here to help ensure you are getting the correct product for your vehicle. Please contact us and our sales team will confirm if its the correct product as soon as possible.

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All Our Products We Offer Have Been Hand Fitted & Tested To Ensure Quality Is Top Notch