• Gloss dry carbon fiber V4 multi-fin rear diffuser for BMW G80 M3 and G82 M4, vehicle ghosted, studio light reveals 2x2 twill weave
  • Macro of gloss 2x2 twill carbon weave over BMW M3 V4 diffuser fin, clean light-bar reflection and machined edge detail
  • Carbon V4 fin diffuser installed under ghosted BMW G80 M3 rear bumper, blurred premium garage, aggressive motorsport rear aero
  • BMW G80 M3 rear 3/4 at dusk with gloss carbon V4 fin diffuser, low raking light, aggressive lowered motorsport stance
  • Pre-preg dry carbon V4 multi-fin rear diffuser for BMW G80 M3 on dark studio backdrop with motorsport fin design OEM+ callout
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AeroHaus

BMW G80 M3 / G82 M4 Dry Carbon Rear Diffuser – V4 – OEM+ Fitment

BMW G80 M3 / G82 M4 Dry Carbon Rear Diffuser – V4 – OEM+ Fitment

$650.00 USD
$650.00 USD
Sale Sold out
Shipping calculated at checkout.

In stock

Guaranteed FitmentG80 M3 / G82 M4
Fast DispatchTracked, shipped from California
30-Day GuaranteeFitment & defect coverage

Transform the rear profile of your M3 or M4 with our most aggressive multi-fin diffuser.

  • Material: Pre-preg dry carbon fiber, autoclave-cured for strength and a flawless weave.
  • Style: V4 multi-fin design with deep vertical strakes for GT presence.
  • Fitment: Direct OEM+ replacement for the BMW G80 M3 and G82 M4 rear bumper.
  • Installation: Bolts to factory mounting points; no cutting required.
  • Finish: UV-stable gloss clear coat over a precise twill weave.

Why AeroHaus: Diffusers finished to survive macro photography and paddock lighting alike.

Complete Your Build:

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Product Details

Fitment
Chassis
G80 M3 / G82 M4
Years
2021+
Body Style
Sedan, Coupe
Shipping & Returns

Shipping. In-stock items ship in 1–3 business days; made-to-order items in 3–7 business days. Delivery: US 5–14, Canada 7–21, International 10–30 business days. Carbon fiber items may need extra handling time. Full details: Shipping Policy.

Returns. 14-day return window on unused, uninstalled items. AeroHaus provides a prepaid return label; a 25% restocking fee applies to non-defective returns. Made-to-order carbon items are final sale unless defective. Defective or incorrect items are covered in full. Details: Return & Refund Policy.

Warranty. Products carry the original manufacturer's warranty against defects in materials and workmanship, plus a 30-day AeroHaus fitment & defect guarantee. If an item arrives defective or doesn't fit as described, contact us within 30 days and we'll make it right.

Questions? Contact us or email support@aerohaus.co.

FAQ

Not sure this fits your car? Check the Fitment tab above for chassis, year, and trim, or see our FAQ. We support BMW M2 (G87), M3 (G80/G81), M4 (G82/G83), and M5 (G90/G99). Email support@aerohaus.co to confirm fitment before ordering.