BMW M Performance Carbon Rear Diffuser main product view - G80 M3 / G82 M4 gloss carbon weave finish
BMW M Performance Carbon Rear Diffuser installed rear view on BMW G80 M3 sedan
BMW M Performance Carbon Rear Diffuser carbon weave detail close-up - pre-preg UV-sealed finish
BMW M Performance Carbon Rear Diffuser angle view showing three-channel outlet design
BMW M Performance Carbon Rear Diffuser underside profile - G80 M3 / G82 M4 OEM fitment
BMW M Performance Carbon Rear Diffuser shown with optional M Performance carbon winglets - G80 M3
BMW M Performance Carbon Rear Diffuser - G80 M3 | G82 M4
BMW M Performance Carbon Rear Diffuser - G80 M3 | G82 M4

Genuine BMW M Performance Carbon Rear Diffuser - G80 M3 | G82 M4

$5,225.00
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SKU: 51128075031
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The BMW M Performance Carbon Rear Diffuser for the G80 M3 and G82 M4 is the factory aero component for owners who want the complete M Performance carbon look without sourcing aftermarket alternatives. Engineered by BMW and manufactured from pre-preg dry carbon fiber, autoclave-cured for structural consistency — this is the identical part BMW installs at the factory on fully-specced M Performance carbon build orders for the G80 M3 Sedan, G82 M4 Coupe, and G83 M4 Convertible.

Unlike aftermarket carbon diffusers for the G80 and G82 that require trimming, edge-sealing, or gap correction, this OEM diffuser drops directly into the rear bumper cutout with no modification. The carbon weave finish is matched to the M Performance pattern used across the full exterior package — front grilles, front splitters, winglets — ensuring a fully cohesive appearance. This item is non-returnable once ordered.

Fits: BMW G80 M3 (Sedan), G82 M4 (Coupe), G83 M4 (Convertible)
Material: Pre-preg dry carbon fiber, autoclave-cured
Finish: Gloss BMW M Performance carbon weave, UV-sealed
Includes: Carbon rear diffuser, OEM mounting hardware
Optional: Ceramic Pro 9H nanoceramic coating (2 layers pre-applied, add at checkout)
Note: Non-returnable

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The BMW M Performance Carbon Rear Diffuser for the G80 M3 and G82 M4 is the factory aero component for owners who want the complete M Performance carbon look without sourcing aftermarket alternatives. Engineered by BMW and manufactured from pre-preg dry carbon fiber, autoclave-cured for structural consistency — this is the identical part BMW installs at the factory on fully-specced M Performance carbon build orders for the G80 M3 Sedan, G82 M4 Coupe, and G83 M4 Convertible.

Unlike aftermarket carbon diffusers for the G80 and G82 that require trimming, edge-sealing, or gap correction, this OEM diffuser drops directly into the rear bumper cutout with no modification. The carbon weave finish is matched to the M Performance pattern used across the full exterior package — front grilles, front splitters, winglets — ensuring a fully cohesive appearance. This item is non-returnable once ordered.

Fits: BMW G80 M3 (Sedan), G82 M4 (Coupe), G83 M4 (Convertible)
Material: Pre-preg dry carbon fiber, autoclave-cured
Finish: Gloss BMW M Performance carbon weave, UV-sealed
Includes: Carbon rear diffuser, OEM mounting hardware
Optional: Ceramic Pro 9H nanoceramic coating (2 layers pre-applied, add at checkout)
Note: Non-returnable