M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4
M Performance Style Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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.