Opt for this 3D+ Style Carbon Fiber Rear Diffuser for your 2019+ BMW G29 Z4 and instantly enhance the rear-end appearance while improving aerodynamic flow. Unlike other 3D style diffusers, this version includes the carbon fiber side pieces, eliminating the need to modify your OEM parts. Crafted from full carbon fiber, this diffuser is incredibly thick and sturdy, making it both visually aggressive and functionally durable. Designed to fit sDrive30i and M40i models, this is the ultimate rear-end upgrade for your Z4.

This diffuser installs using factory mounting locations for a hassle-free fit. No need to cut or alter your OEM trim. However, for optimal fitment, we always recommend professional installation.
- 2019+ BMW G29 Z4
- M40i and sDrive30i
- 3D+ Style Carbon Fiber diffuser with integrated side pieces
- Simple installation
- Full carbon fiber construction - thick and durable
- Fits both sDrive30i and M40i models
- Enhanced rear-end styling
We know there are many companies out there claiming to have the best upgrades for your BMW. At RW Carbon we take the time to quality control every single diffuser that ships from our warehouse. When you order from many companies online they are shipping a product straight from overseas that has not been quality controlled. By choosing RW Carbon we make the promise to deliver you a consistent, quality product that is shipped from our Southern California location. Additionally, all products shipping from our warehouse are meticulously inspected, and packaged to ensure you receive the best item for your car. We welcome local pickup of nearly all of our items in Southern, California.
WARNING: Cancer and/or Reproductive Harm — www.P65Warnings.ca.gov
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Part # |
Description |
Price |
|
bmwg2912 |
BMW G29 Z4 3D+ Style Carbon Fiber Diffuser |
$999.95 |
Add to Cart |
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Fits These Applications:
Year |
Make |
Model |
SubModel |
Engine |
Transmission |
Drive |
2023 - 2025 |
BMW |
Z4 |
G29 |
|
RWC |
|
2018 - 2022 |
BMW |
Z4 |
G29 |
|
RWC |
|