Carbon Fiber Diffuser Trim – BMW G80 M3 / G82 M4 | Eterna Motorworks

Carbon Fiber Diffuser Trim – BMW G80 M3 / G82 M4 | Eterna Motorworks

Name: Carbon Fiber Diffuser Trim – BMW G80 M3 / G82 M4 | Eterna Motorworks
Brand: Eterna Motorworks
Price: 540.00 USD
Availability: InStock

$540.00

{"id":8616113275032,"title":"Carbon Fiber Diffuser Trim – BMW G80 M3 \/ G82 M4 | Eterna Motorworks","handle":"bmw-g80-g82-carbon-diffuser-trim","description":"\u003cp class=\"p1\"\u003eElevate the finishing details of your rear end with this Carbon Fiber Diffuser Trim designed specifically for the BMW G80 M3 and G82 M4. Engineered to accent the lower center diffuser section, this trim adds a refined contrast and a deeper profile to your rear bumper. Made from real carbon fiber with a high-gloss finish, it delivers aggressive styling in a clean OEM+ package that complements both factory and aftermarket diffuser setups.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Rear lower diffuser trim in real carbon fiber\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Constructed from real carbon fiber with a 2x2 twill weave pattern\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Designed to enhance factory or aftermarket diffusers\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Precision molded for a seamless fit to G8X rear bumper\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Lightweight and rigid with UV-protected gloss clear coat\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Matte and forged carbon fiber options available upon request\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eCompatible Models\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW G80 M3 (2021–2025, Sedan) – Base \u0026amp; Competition\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW G82 M4 (2021–2025, Coupe) – Base \u0026amp; Competition\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003ci\u003eCompatible with OEM rear bumper and most aftermarket diffuser configurations\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• (1) Carbon Fiber Diffuser Trim Piece\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Installation tape or mounting adhesive not included\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eWhy Buy From Eterna Motorworks\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEterna Motorworks is the standard in premium aftermarket automotive parts and services. With over a decade of hands-on experience, we’ve earned the trust of enthusiasts and professional builders worldwide by delivering unmatched quality, precision fitment, and long-term credibility. Every part and service we offer is curated to meet the highest expectations in styling, performance, and reliability — both on the road and in the shop.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIf you’re searching for a trusted partner to set your build apart — welcome to the team.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eProfessional installation is highly recommended.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eInstallation hardware not included on most products.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFor full fitment, installation, and store policy details, please refer to our policies before purchasing.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWorldwide shipping available upon request.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eYour next mod starts here. Upgrade your build the right way with Eterna Motorworks.\u003c\/b\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e","published_at":"2025-02-06T21:58:27-08:00","created_at":"2025-02-06T21:58:42-08:00","vendor":"Eterna Motorworks","type":"Carbon Fiber Rear Diffuser","tags":["BMW","Carbon Fiber Rear Diffuser","dry carbon fiber","g8x dry carbon","Rear Diffuer","Rear Diffuser","WET CARBON FIBER"],"price":54000,"price_min":54000,"price_max":54000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":45947756904600,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Carbon Fiber Diffuser Trim – BMW G80 M3 \/ G82 M4 | Eterna Motorworks","public_title":null,"options":["Default Title"],"price":54000,"weight":1365,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_1.jpg?v=1745996125","\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_2.jpg?v=1745996125","\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_3.jpg?v=1745996125","\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.12AM.png?v=1745996125","\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.22AM.png?v=1745996125","\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.30AM.png?v=1745996125"],"featured_image":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_1.jpg?v=1745996125","options":["Title"],"media":[{"alt":null,"id":40291318497432,"position":1,"preview_image":{"aspect_ratio":0.8,"height":4694,"width":3755,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_1.jpg?v=1745996125"},"aspect_ratio":0.8,"height":4694,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_1.jpg?v=1745996125","width":3755},{"alt":null,"id":40291318530200,"position":2,"preview_image":{"aspect_ratio":0.8,"height":4694,"width":3755,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_2.jpg?v=1745996125"},"aspect_ratio":0.8,"height":4694,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_2.jpg?v=1745996125","width":3755},{"alt":null,"id":40291318562968,"position":3,"preview_image":{"aspect_ratio":0.8,"height":4694,"width":3755,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_3.jpg?v=1745996125"},"aspect_ratio":0.8,"height":4694,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/G8XREARDIFFUSERTRIM_3.jpg?v=1745996125","width":3755},{"alt":null,"id":40291318595736,"position":4,"preview_image":{"aspect_ratio":0.755,"height":1840,"width":1390,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.12AM.png?v=1745996125"},"aspect_ratio":0.755,"height":1840,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.12AM.png?v=1745996125","width":1390},{"alt":null,"id":40291318628504,"position":5,"preview_image":{"aspect_ratio":1.02,"height":1814,"width":1850,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.22AM.png?v=1745996125"},"aspect_ratio":1.02,"height":1814,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.22AM.png?v=1745996125","width":1850},{"alt":null,"id":40291318661272,"position":6,"preview_image":{"aspect_ratio":1.02,"height":1812,"width":1848,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.30AM.png?v=1745996125"},"aspect_ratio":1.02,"height":1812,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/Screenshot2024-06-11at11.54.30AM.png?v=1745996125","width":1848}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"p1\"\u003eElevate the finishing details of your rear end with this Carbon Fiber Diffuser Trim designed specifically for the BMW G80 M3 and G82 M4. Engineered to accent the lower center diffuser section, this trim adds a refined contrast and a deeper profile to your rear bumper. Made from real carbon fiber with a high-gloss finish, it delivers aggressive styling in a clean OEM+ package that complements both factory and aftermarket diffuser setups.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Rear lower diffuser trim in real carbon fiber\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Constructed from real carbon fiber with a 2x2 twill weave pattern\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Designed to enhance factory or aftermarket diffusers\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Precision molded for a seamless fit to G8X rear bumper\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Lightweight and rigid with UV-protected gloss clear coat\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Matte and forged carbon fiber options available upon request\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eCompatible Models\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW G80 M3 (2021–2025, Sedan) – Base \u0026amp; Competition\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW G82 M4 (2021–2025, Coupe) – Base \u0026amp; Competition\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003ci\u003eCompatible with OEM rear bumper and most aftermarket diffuser configurations\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• (1) Carbon Fiber Diffuser Trim Piece\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Installation tape or mounting adhesive not included\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eWhy Buy From Eterna Motorworks\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEterna Motorworks is the standard in premium aftermarket automotive parts and services. With over a decade of hands-on experience, we’ve earned the trust of enthusiasts and professional builders worldwide by delivering unmatched quality, precision fitment, and long-term credibility. Every part and service we offer is curated to meet the highest expectations in styling, performance, and reliability — both on the road and in the shop.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIf you’re searching for a trusted partner to set your build apart — welcome to the team.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eProfessional installation is highly recommended.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eInstallation hardware not included on most products.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFor full fitment, installation, and store policy details, please refer to our policies before purchasing.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWorldwide shipping available upon request.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e⸻\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eYour next mod starts here. Upgrade your build the right way with Eterna Motorworks.\u003c\/b\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e"}

Request a price match

Product variants

Share:

Share

Elevate the finishing details of your rear end with this Carbon Fiber Diffuser Trim designed specifically for the BMW G80 M3 and G82 M4. Engineered to accent the lower center diffuser section, this trim adds a refined contrast and a deeper profile to your rear bumper. Made from real carbon fiber with a high-gloss finish, it delivers aggressive styling in a clean OEM+ package that complements both factory and aftermarket diffuser setups.

⸻

Key Features

• Rear lower diffuser trim in real carbon fiber

• Constructed from real carbon fiber with a 2x2 twill weave pattern

• Designed to enhance factory or aftermarket diffusers

• Precision molded for a seamless fit to G8X rear bumper

• Lightweight and rigid with UV-protected gloss clear coat

• Matte and forged carbon fiber options available upon request

⸻

Compatible Models

• BMW G80 M3 (2021–2025, Sedan) – Base & Competition

• BMW G82 M4 (2021–2025, Coupe) – Base & Competition

Compatible with OEM rear bumper and most aftermarket diffuser configurations

⸻

What’s Included

• (1) Carbon Fiber Diffuser Trim Piece

• Installation tape or mounting adhesive not included

⸻

Why Buy From Eterna Motorworks

Eterna Motorworks is the standard in premium aftermarket automotive parts and services. With over a decade of hands-on experience, we’ve earned the trust of enthusiasts and professional builders worldwide by delivering unmatched quality, precision fitment, and long-term credibility. Every part and service we offer is curated to meet the highest expectations in styling, performance, and reliability — both on the road and in the shop.

If you’re searching for a trusted partner to set your build apart — welcome to the team.

⸻

Professional installation is highly recommended.

Installation hardware not included on most products.

For full fitment, installation, and store policy details, please refer to our policies before purchasing.

Worldwide shipping available upon request.

⸻

Your next mod starts here. Upgrade your build the right way with Eterna Motorworks.

Pairs well with

Carbon Fiber Diffuser Trim – BMW G80 M3 / G82 M4 | Eterna Motorworks

$540.00

Quick Answers

Will this fit my vehicle?

This part is made for the models listed above. If you’re unsure, send us your year, make, and model and we’ll confirm fitment for you.

What’s included?

You’ll receive exactly what’s shown. Hardware is not included unless the product description says otherwise.

How’s the install?

We recommend professional installation. If you’re local, you can book an install with us directly. Some parts may need trimming, drilling, or adjustment depending on your setup.

Do you ship internationally?

Yes, we ship worldwide. Contact us if you need help placing an international order.

Still have questions?

Reach out anytime. We’re here to help before and after your order.