M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4 | Eterna Motorworks

M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4 | Eterna Motorworks

Name: M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4 | Eterna Motorworks
Brand: Eterna Motorworks
Price: 425.00 USD
Availability: InStock

$425.00

{"id":8595852656792,"title":"M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 \/ F82 M4 | Eterna Motorworks","handle":"bmw-f80-f82-m-performance-carbon-rear-diffuser","description":"\u003cp class=\"p1\"\u003eBring a refined yet aggressive look to your F80 M3 or F82 M4 with this M Performance Style Carbon Fiber Rear Diffuser. Designed with a clean V-fin layout and balanced side contours, this piece offers the perfect mix of track-inspired form and daily-drivable fitment. Built from lightweight carbon fiber and shaped for factory rear bumpers, it’s a timeless rear-end upgrade for any enthusiast seeking OEM+ style with premium materials.\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• M Performance Style diffuser design with balanced center channel and fins\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• UV-resistant gloss finish for long-lasting clarity and protection\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Designed for clean integration with OEM rear bumper\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Matte and forged carbon 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 F80 M3 (2015–2018, Sedan)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW F82 M4 (2015–2020, Coupe)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW F83 M4 (2015–2020, Convertible)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003ci\u003eFits OEM rear bumper. Not compatible with aftermarket diffuser conversions.\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) M Performance Style Carbon Fiber Rear Diffuser\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Mounting points or tabs (varies by production batch)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Installation hardware not included on most products\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\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-none\"\u003e\u003c\/ul\u003e","published_at":"2025-01-16T00:04:53-08:00","created_at":"2025-01-16T00:04:53-08:00","vendor":"Eterna Motorworks","type":"Carbon Fiber Rear Diffuser","tags":["dual diffuser","f80 diffuser","f80 mp rear diffuser","f8x carbon diffuser","f8x diffuser","f8x performance diffuser","performance carbon fiber diffuser"],"price":42500,"price_min":42500,"price_max":42500,"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":45823869714584,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 \/ F82 M4 | Eterna Motorworks","public_title":null,"options":["Default Title"],"price":42500,"weight":4536,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_1.jpg?v=1745996192","\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_2.jpg?v=1745996192","\/\/eternamotorworks.com\/cdn\/shop\/files\/M4-CF-Diffuser5-750x500.jpg?v=1745996192"],"featured_image":"\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_1.jpg?v=1745996192","options":["Title"],"media":[{"alt":null,"id":40162937667736,"position":1,"preview_image":{"aspect_ratio":0.8,"height":4694,"width":3755,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_1.jpg?v=1745996192"},"aspect_ratio":0.8,"height":4694,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_1.jpg?v=1745996192","width":3755},{"alt":null,"id":40162937700504,"position":2,"preview_image":{"aspect_ratio":0.8,"height":4694,"width":3755,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_2.jpg?v=1745996192"},"aspect_ratio":0.8,"height":4694,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/F8XCFMPREARBUMPERDIFFUSER_2.jpg?v=1745996192","width":3755},{"alt":null,"id":40162937733272,"position":3,"preview_image":{"aspect_ratio":1.638,"height":420,"width":688,"src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/M4-CF-Diffuser5-750x500.jpg?v=1745996192"},"aspect_ratio":1.638,"height":420,"media_type":"image","src":"\/\/eternamotorworks.com\/cdn\/shop\/files\/M4-CF-Diffuser5-750x500.jpg?v=1745996192","width":688}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"p1\"\u003eBring a refined yet aggressive look to your F80 M3 or F82 M4 with this M Performance Style Carbon Fiber Rear Diffuser. Designed with a clean V-fin layout and balanced side contours, this piece offers the perfect mix of track-inspired form and daily-drivable fitment. Built from lightweight carbon fiber and shaped for factory rear bumpers, it’s a timeless rear-end upgrade for any enthusiast seeking OEM+ style with premium materials.\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• M Performance Style diffuser design with balanced center channel and fins\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• UV-resistant gloss finish for long-lasting clarity and protection\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Designed for clean integration with OEM rear bumper\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Matte and forged carbon 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 F80 M3 (2015–2018, Sedan)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW F82 M4 (2015–2020, Coupe)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMW F83 M4 (2015–2020, Convertible)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003ci\u003eFits OEM rear bumper. Not compatible with aftermarket diffuser conversions.\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) M Performance Style Carbon Fiber Rear Diffuser\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Mounting points or tabs (varies by production batch)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Installation hardware not included on most products\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\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-none\"\u003e\u003c\/ul\u003e"}

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Bring a refined yet aggressive look to your F80 M3 or F82 M4 with this M Performance Style Carbon Fiber Rear Diffuser. Designed with a clean V-fin layout and balanced side contours, this piece offers the perfect mix of track-inspired form and daily-drivable fitment. Built from lightweight carbon fiber and shaped for factory rear bumpers, it’s a timeless rear-end upgrade for any enthusiast seeking OEM+ style with premium materials.

⸻

Key Features

• M Performance Style diffuser design with balanced center channel and fins

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

• UV-resistant gloss finish for long-lasting clarity and protection

• Designed for clean integration with OEM rear bumper

• Matte and forged carbon options available upon request

⸻

Compatible Models

• BMW F80 M3 (2015–2018, Sedan)

• BMW F82 M4 (2015–2020, Coupe)

• BMW F83 M4 (2015–2020, Convertible)

Fits OEM rear bumper. Not compatible with aftermarket diffuser conversions.

⸻

What’s Included

• (1) M Performance Style Carbon Fiber Rear Diffuser

• Mounting points or tabs (varies by production batch)

• Installation hardware not included on most products

⸻

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

M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4 | Eterna Motorworks

$425.00

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.