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Exterior Components› Running Boards, Truck Steps and Components

Maxton Design

STREET PLUS Side Skirts Diffusers V.1

Name: STREET PLUS Side Skirts Diffusers V.1
Brand: Maxton Design
SKU: BM-4-G22-MPACK-SD1G

$305.99

SKU: BM-4-G22-MPACK-SD1G

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Overview

The Maxton Design Side Skirts Diffusers V.1 is a body panel component designed for specific BMW 4 Series models. It is part of the STREET PLUS collection and is made by MAXTON® DESIGN.

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The Maxton Design Side Skirts Diffusers V.1 is a body panel component from the STREET PLUS collection, specifically designed to enhance the aesthetics of the BMW 4 Series Coupe. This product is engineered for models equipped with the M-Pack, including the M440i variant, and is compatible with model years 2020 through 2024. Crafted by MAXTON® DESIGN, these side skirt diffusers are made using advanced 3D scanning technology to ensure a precise, perfect fitment with the vehicle's factory lines. This attention to detail results in a unique OEM+ finish that integrates seamlessly with the car's existing design. The product is noted for its durability, resisting wear and tear for long-lasting performance, and its lightweight construction. Installation is facilitated by the included hardware, although some Maxton Design products may require modification to factory parts. The product comes with a fitting manual for guidance. Compatibility is precisely defined for the BMW 4 Coupe M-Pack G22 (2020-2024), BMW 4 Coupe M440i G22 (2020-2024), and BMW 4 Cabrio M-Pack G22 (2020-2024).

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

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Specifications

Brand	Maxton Design
Part Number	BM-4-G22-MPACK-SD1G
Category	Exterior 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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