AutoTecknic Dry Carbon OEM-Spec Rear Splitter Set - G80 M3 | G82 M4
AutoTecknic Dry Carbon OEM-Spec Rear Splitter Set - G80 M3 | G82 M4 - G80/ G81 M3 (Including Competition Models) is backordered and will ship as soon as it is back in stock.
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Elevate the rear-end presence of your G8X M3 or M4 with the AutoTecknic Dry Carbon OEM-Spec Rear Splitter Set—a refined yet aggressive enhancement designed to flow seamlessly with your factory body lines. Sculpted from motorsport-grade 3K twill-weave pre-preg carbon fiber and precision-formed in our autoclave vacuum curing process, this rear splitter set delivers the ideal balance of weight savings, structural rigidity, and visual impact. Every detail, from the crisp weave alignment to the multi-layer UV-resistant gloss clear coat, is a testament to engineering excellence and design sophistication.
Designed for enthusiasts who demand OEM-level fitment with an exotic touch, these rear splitters integrate effortlessly with the G8X’s factory rear bumper for a no-drama install. Functional and beautiful, they provide subtle aerodynamic improvement while enhancing the vehicle’s visual stance—perfect for owners looking to bridge the gap between daily usability and track-inspired style. Whether you’re cruising through the city or taking apexes, the AutoTecknic Rear Splitter Set delivers uncompromising performance aesthetics.
Product Details:
- Compatible with 2021+ BMW G80 M3 / G81 M3 Touring / G82 M4 Coupe / G83 M4 Convertible
- Constructed from 100% Pre-Preg 3K 2x2 Twill-Weave Dry Carbon Fiber
- Manufactured using autoclave vacuum forming for optimal strength and lightweight
- Finished with a UV-resistant high-gloss clear coat
- Designed for OEM-style fitment and seamless integration with the factory bumper
- Includes precision-fit carbon fiber mounting clips for a secure, tool-friendly installation
- Motorsport-inspired mold design for improved rear-end presence and visual balance
- No modification or drilling required
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Shipping Notice

Some oversized, heavy, or specialty items may incur additional shipping charges based on your delivery location. If this applies to your order, our team will contact you after checkout with the updated cost. Orders will not ship until additional charges are confirmed and paid.
Tariff Notice – Japan Shipments
Effective August 29, this product will be subject to a 15% tariff when imported into the United States from Japan. Any tariff charges billed will be the customer’s responsibility.