Rear Diffuser for BMW G80 M3 S58 3.0L

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Adding a more aggressive rear diffuser to your BMW can offer some performance benefits, but is primarily an aesthetic upgrade. BMWs naturally look great from the rear, why not make yours look even better?
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AutoTecknic Dry Carbon Rear Diffuser Trim Set - G80 M3 | G82/ G83 M4
AutoTecknic Dry Carbon Rear Diffuser Trim Set - G80 M3 | G82/ G83 M4 ...
AUTOTECKNIC - Corporate Logo
T#:14419810
Part#: BM-0341
In Stock
$ 600.00

This product was last offered at the strikethrough price on
08-10-2026

$ 528.00 USD
Limited Qty Sale
Add to Wish List
$ 600.00

This product was last offered at the strikethrough price on
08-10-2026

$ 528.00 USD
Limited Qty Sale
Add to Wish List
The rear end of your G8X will thank you for this carbon diffuser trim set, giving it a more aggressive and sportier look! Manufactured from the highest-quality dry carbon, this diffuser set is one of the best carbon trim options on the market for your car!
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AutoTecknic Dry Carbon Motorsport Rear Diffuser - G8x
AutoTecknic Dry Carbon Motorsport Rear Diffuser - G8x
AUTOTECKNIC - Corporate Logo
T#:14452852
Part#: BM-0881
Ships in 7 Business Days
$ 895.00 USD
Add to Wish List
$ 895.00 USD
Add to Wish List
This rear diffuser is AutoTecknic's newly released dry carbon fiber product for the G8X M3/ M4. The diffuser is designed to mount directly onto the lower factory mounting location for a fast and straightforward installation. Manufactured using 100% genuine 3K Twill-Weave (2X2) Pre-Preg Carbon Fiber with our signature autoclave technology, this diffuser is finished with multiple coatings of high-gloss UV-resistant clear coat. Following the weight-saving principles of motorsport ideals, we utilize the autoclave vacuum forming process to produce this diffuser with superior strength and fitment. Change your car's look and satisfy your carbon cravings today!
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AutoTecknic Dry Carbon Fiber Side Vent Set - F96 X6M AutoTecknic Dry Carbon Performante Rear Diffuser - G80 M3 | G82/ G83 M4
AutoTecknic Dry Carbon Fiber Side Vent Set - F96 X6M AutoTecknic Dry ...
AUTOTECKNIC - Corporate Logo
T#:14419866
Part#: BM-0880
Ships in 7 Business Days
$ 850.00 USD
Add to Wish List
$ 850.00 USD
Add to Wish List
This rear diffuser is AutoTecknic's newly released dry carbon fiber product for the G8X M3/ M4. The diffuser is designed to mount directly onto the lower factory mounting location for a fast and straightforward installation. Manufactured using 100% genuine 3K Twill-Weave (2X2) Pre-Preg Carbon Fiber with our signature autoclave technology, this diffuser is finished with multiple coatings of high-gloss UV-resistant clear coat. Following the weight-saving principles of motorsport ideals, we utilize the autoclave vacuum forming process to produce this diffuser with superior strength and fitment.
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AutoTecknic Dry Carbon Performance Rear Splitter Set - G80 M3
AutoTecknic Dry Carbon Performance Rear Splitter Set - G80 M3 ...
AUTOTECKNIC - Corporate Logo
T#:38655158
Part#: BM-0045-G80
Ships in 7 Business Days
$ 650.00 USD
Free Shipping on orders $49 and up
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$ 650.00 USD
Free Shipping on orders $49 and up
Add to Wish List
Boost the aerodynamics and bold appearance of your G80/G81 M3 with the AutoTecknic Dry Carbon Rear Splitter Set, designed for optimal performance, durability, and a dynamic, track-ready aesthetic.
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Vorsteiner VRS Aero Rear Diffuser (Carbon Fiber) - G8x M3/M4
Vorsteiner VRS Aero Rear Diffuser (Carbon Fiber) - G8x M3/M4 ...
Vorsteiner - Corporate Logo
T#:5122289
Part#: BMV3350
Special Order: No Guaranteed ETA
$ 2,995.00 USD
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$ 2,995.00 USD
Add to Wish List
Carbon fiber body parts are starting to become a dime-a-dozen, but this has caused a reduction in part quality. Vorsteiner takes great care to ensure every carbon fiber component they produce is of the highest quality, putting every piece through an independent inspection process to look for any potential imperfections before they leave the facility. In addition, the high gloss clear coating applied to their carbon fiber parts is a UV ray inhibiting coating that won't discolor or peel after only a few years of sun exposure. Looking to make your G8x M3 or M4 more unique? Then this may be the perfect option for you! Vorsteiner's VRS Aero Rear Diffuser is designed for those looking to add some flair and function to their vehicle. This diffuser is composed of durable Carbon Fiber material which comes in a glossy finish. In addition to being lighter and more aggressive looking, this diffuser also allows for an increase in downforce thanks to its design.
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