MP Big Fin Diffuser Carbon Fiber for BMW F80 M3 / F82 F83 M4

Give your BMW a bold, motorsport-inspired rear-end transformation with the MP Big Fin Diffuser Carbon Fiber, engineered specifically for the F80 M3 and F82/F83 M4. Featuring extended vertical fins and sharp, sculpted lines, this diffuser brings the aggressive M Performance look to your F8X with premium fitment and construction.

Crafted from genuine 2x2 weave carbon fiber and finished in a deep gloss UV-protected clear coat, this diffuser provides both style and durability—perfect for daily driving or track-focused builds.

Key Features

✔ MP Style “Big Fin” Design

• Inspired by the iconic BMW M Performance diffuser

• Extended fins add a race-ready, aerodynamic aesthetic

• Dramatically enhances the rear stance and visual width

✔ Premium 2x2 Carbon Fiber Construction

• Lightweight, strong, and structurally rigid

• Consistent 2x2 weave matches OEM and aftermarket carbon fiber

• Built to withstand daily use and spirited driving

✔ High-Gloss UV-Protected Clear Coat

• Long-lasting shine

• Resists fading, yellowing, and clear-coat cracking

• Protects against road debris and harsh sun exposure

✔ Aggressive Aesthetic Upgrade

• Creates a more dynamic, planted rear profile

• Pairs perfectly with carbon side skirts, rear spoilers, and front lips

• One of the most dramatic diffuser upgrades available for the F8X

✔ Direct OEM Fitment

• Designed to mount directly to the factory rear bumper

• No cutting or modifications required

• Professional installation recommended for perfect alignment

Fitment

• 2015–2018 BMW F80 M3 (Sedan)

• 2015–2020 BMW F82 M4 (Coupe)

• 2015–2020 BMW F83 M4 (Convertible)

(Fits all F80/F82/F83 models—no general F8X label needed.)

Details

• Material: 100% Genuine Carbon Fiber (2x2 weave)

• Finish: High-Gloss UV-Resistant Clear Coat

• Style: M Performance “Big Fin” Inspired Diffuser

• Installation: Direct Bolt-On (Professional install recommended)

Why Choose the MP Big Fin Diffuser Carbon Fiber?

• One of the most aggressive diffuser styles for the F80/F82/F83

• Instantly elevates the rear appearance with extended fins

• Perfect OEM-plus fitment and premium carbon fiber craftsmanship

• Designed to complete any performance-oriented or show build