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Exterior Components› Body Panels and Components

AUTOTECKNIC

Dry Carbon Performante Rear Diffuser

$850.00 $765.00 Save $85.00

SKU: ATK-BM-0880

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The AutoTecknic Dry Carbon Performante Rear Diffuser is a high-gloss automotive accessory designed for the BMW G8X M3/M4. Manufactured using genuine 3K Twill-Weave Pre-Preg Carbon Fiber with autoclave technology, it features a high-gloss UV-resistant clear coat. This diffuser mounts directly onto the lower factory mounting location for straightforward installation.
Show original supplier description
The AutoTecknic Dry Carbon Performante Rear Diffuser is engineered to enhance the aesthetic appeal of your BMW G8X M3/M4. Constructed from 100% genuine 3K Twill-Weave (2X2) Pre-Preg Carbon Fiber utilizing autoclave technology, this component offers superior strength and a lightweight design in line with motorsport principles. It is finished with multiple coatings of a high-gloss, UV-resistant clear coat to ensure lasting durability and shine. This rear diffuser is specifically designed to fit all-year G8X M3/M4 OEM Rear Bumpers.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandAUTOTECKNIC
Part NumberATK-BM-0880
CategoryExterior Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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