Rear Diffuser for BMW G82 M4 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
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$ 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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Suvneer Motorsports Carbon Fiber Rear Bumper Splitters - G80 M3, G82 M4
Suvneer Motorsports Carbon Fiber Rear Bumper Splitters - G80 M3, G82...
Suvneer - Corporate Logo
T#:25772525
Part#: G8XRRSPL-SUV
Ships in 5 Business Days
Sale - Save 28% $ 295.00

This product was last offered at the strikethrough price on
05-03-2026

$ 211.76 USD
Free Shipping on orders $49 and up
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Sale - Save 28%
$ 295.00

This product was last offered at the strikethrough price on
05-03-2026

$ 211.76 USD
Free Shipping on orders $49 and up
Add to Wish List
Introducing the Suvneer Motorsports™ G8x M3/M4 Carbon Fiber Rear Bumper Splitter – an extraordinary enhancement designed to augment the rear aesthetics of your BMW G8x M3 or M4. Meticulously crafted with a focus on both style and performance, these carbon fiber rear bumper splitters seamlessly marry form and function, making a powerful visual statement on the road. Crafted from top-tier carbon fiber materials, these rear bumper splitters contribute to the overall lightweight construction of your vehicle while exuding a modern and sporty appeal. The carbon fiber build ensures not only durability and strength but also a sleek appearance that perfectly complements the dynamic nature of the BMW G8x M3/M4. Choose the Suvneer Motorsports™ G8x M3/M4 Carbon Fiber Rear Bumper Splitter for a sophisticated blend of form and function. Elevate your BMW G8x M3/M4's presence on the road with these premium carbon fiber splitters that exemplify precision engineering and a commitment to delivering a stylish and performance-driven enhancement for your driving experience. Key Features: Material: High-quality dry carbon fiber Precision Fitment: Designed for the G8x M3 / M4 chassis for a seamless integration Lightweight: Carbon fiber construction reduces weight while maintaining strength Aerodynamic Enhancement: Improves airflow and downforce for better stability Sleek Design: 2-piece diffuser design adds a sporty and aggressive look to your vehicle We encourage customers to seek professional installation since equipping these products will require the removal of parts currently installed, to better secure fitment to your vehicle.
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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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ADRO Carbon Fiber Rear Diffuser - BMW G82 M4
ADRO Carbon Fiber Rear Diffuser - BMW G82 M4
ADRO INC. - Corporate Logo
T#:41526348
Part#: A14A40-1301
Ships in 3 Business Days
$ 2,950.00 USD
Add to Wish List
$ 2,950.00 USD
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Make that quad exhaust pop even more with the ADRO carbon fiber rear diffuser for the G82 BMW 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 G82 platform. *Does NOT fit M Performance Center Exhaust*
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AutoTecknic Dry Carbon Performance Rear Splitter Set - G82/83 M4
AutoTecknic Dry Carbon Performance Rear Splitter Set - G82/83 M4 ...
AUTOTECKNIC - Corporate Logo
T#:38655160
Part#: BM-0045-G82
Ships in 7 Business Days
$ 650.00 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 650.00 USD
Free Shipping on orders $49 and up
Add to Wish List
These Carbon fiber side splitters upgrade aerodynamics and create a bold appearance of your G82/G83 M4. Designed for optimal performance, durability, and a dynamic, track-ready aesthetic.
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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Suvneer Carbon Fiber Diffuser Undertray - BMW G80 M3, G82 M4
Suvneer Carbon Fiber Diffuser Undertray - BMW G80 M3, G82 M4 ...
For vehicles from 2021-Present
Suvneer - Corporate Logo
T#:51356099
Part#: G8XSUVCFDIFTRAY
Ships in 5 Business Days
New Item
$ 825.00

This product was last offered at the strikethrough price on
08-17-2026

$ 715.00 USD
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$ 715.00 USD
Add to Wish List
The Suvneer Motorsports™ Carbon Fiber Undertray is the final piece of the puzzle for a show-quality G80 or G82.
M Performance Style Dry-Carbon Fiber Rear Diffuser - G80 M3/G82 M4
M Performance Style Dry-Carbon Fiber Rear Diffuser - G80 M3/G82 M4 ...
For Vehicles with M-Performance Style Center Exhaust
Suvneer - Corporate Logo
T#:6212282
Part#: G8XCFDIF
Ships in 5 Business Days
$ 750.00

This product was last offered at the strikethrough price on
08-18-2026

$ 730.00 USD
Add to Wish List
$ 730.00 USD
Add to Wish List
M-Performance inspired matte black plastic diffuser for G80 M3/G82 M4. Direct bolt-on, no modification required. Composed of dry-carbon fiber.
ADRO Carbon Fiber Rear Diffuser - BMW G0 M3
ADRO Carbon Fiber Rear Diffuser - BMW G0 M3
ADRO INC. - Corporate Logo
T#:27638764
Part#: A14A50-1301
Ships in 3 Business Days
$ 2,950.00 USD
Add to Wish List
$ 2,950.00 USD
Add to Wish List
Make that quad exhaust pop even more with the ADRO carbon fiber rear diffuser for the G80 BMW M3. 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 G80 platform. *Does NOT fit M Performance Center Exhaust*
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Suvneer Motorsports Carbon Fiber Diffuser - G8X M3 M4
Suvneer Motorsports Carbon Fiber Diffuser - G8X M3 M4
Suvneer - Corporate Logo
T#:25308209
Part#: G8XSUVCFDIF
Ships in 5 Business Days
$ 995.00 USD
Add to Wish List
$ 995.00 USD
Add to Wish List
Introducing the Suvneer Motorsports™ G8x Carbon Fiber Diffuser, a sleek and performance-driven enhancement for your vehicle. Crafted with precision and innovation, this diffuser is designed specifically for G8x series cars, delivering a perfect blend of aesthetics and aerodynamics. Elevate your driving experience with the Suvneer Motorsports™ G8x M4 / M4 Carbon Rear Diffuser – where cutting-edge design meets uncompromising performance, setting a new standard for automotive enthusiasts who seek the perfect fusion of style and speed. The G8x M4 / M4 Carbon Fiber Diffuser features a meticulously engineered design that not only enhances the visual appeal of your car but also improves aerodynamic efficiency. Its carefully crafted contours are optimized to reduce drag and enhance stability at higher speeds, providing a race-inspired feel on the road. Key Features: Material: High-quality dry carbon fiber Precision Fitment: Designed for the G8x M3 / M4 chassis for a seamless integration Lightweight: Carbon fiber construction reduces weight while maintaining strength Aerodynamic Enhancement: Improves airflow and downforce for better stability Sleek Design: 3-piece diffuser design adds a sporty and aggressive look to your vehicle Build Material: Fiber-Reinforced Polymer and Glossy Carbon Fiber Coating NOTE: **This will require you to install wiring to make the brake light function.** We encourage customers to seek professional installation since equipping these products will require the removal of parts currently installed, to better secure fitment to your vehicle.
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