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AutoTecknic Carbon Fiber Roof Fin Set - BMW G82 M4 2021-2025

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Brand: AutoTecknicSKU / Part #: ATK-BM-0508

Regular price: $355.50
Regular price: ~~$395.00~~
Sale price: $355.50
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Subtotal: $355.50

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AutoTecknic Carbon Fiber Roof Fin Set - BMW G82 M4 2021-2025

Subtotal: $355.50

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Overview

AutoTecknic Carbon Fiber Roof Fin Set - BMW G82 M4 2021-2025

Channel the spirit of motorsport excellence with these precision-crafted carbon fiber roof fins, designed to optimize your M4's aerodynamic profile while delivering head-turning style. Meticulously shaped using 3D-scanned roof contours, these fins integrate seamlessly with your factory carbon roof, creating a unified performance aesthetic. Beyond their striking appearance, they serve a critical function - actively redirecting turbulent airflow from the front radiator away from the rear deck, improving high-speed stability and cooling efficiency.

Key Features:

Aerospace-Grade Construction: Autoclave-cured pre-preg carbon fiber with 12K twill weave
Wind Tunnel Developed: Reduces rear-end turbulence by 15% at track speeds
Perfect OEM Integration: 3D-modeled to match factory roof curvature within 0.5mm tolerance
Functional Aerodynamics: Channels hot air away from rear window and trunk area
Ultra-Lightweight: Adds only 1.2lbs while significantly improving airflow management
Show-Quality Finish: UV-resistant high-gloss clear coat protects against fading

Performance Benefits:
✓ Enhanced high-speed stability (tested up to 155mph)
✓ Improved front radiator cooling efficiency
✓ Reduced aerodynamic drag at the rear window

Installation & Compatibility:

Direct adhesive mounting (included 3M VHB tape)
No drilling required - completely reversible
Designed specifically for G82 M4 with carbon roof

Complete Your Track-Ready Build:

Carbon Front Canards - Balances front/rear downforce
Performance Rear Wing - Complements the roof fin aerodynamics

Fitment Chart:

Make	Model	Chassis	Year
BMW	M4	G82	2021-2025

Fitment

Year	Make	Model
2021–2025	BMW	M4

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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