Exterior Components› Body Panels and Components

Maxton

Side Skirt Diffusers

$185.00

SKU: BM-Z4-85-SD1

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 Maxton Design side skirts diffusers are optical tuning parts designed for the BMW Z4 E85 and E86. Manufactured from durable ABS plastic, these components provide a visual lowering of the bodywork for a sharp, racing-inspired appearance.
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The Maxton Design side skirts diffusers are precision-engineered optical tuning components designed to enhance the profile of the BMW Z4 E85 and E86 (2002-2006). By visually lowering the bodywork, these diffusers provide a sharper, more aggressive racing presentation for your vehicle. These components arrive ready for immediate mounting and feature a specialized UV-protective layer to ensure long-lasting finish quality. The materials used hold TUV MATERIALGUTACHTEN certification, reflecting the manufacturer's quality standards. Please note that these are specifically designed for the Preface model and are not compatible with the E89 chassis, which requires its own specific kit. Customers can further customize the look with optional white or red decorative stripes sold separately.

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

BrandMaxton
Part NumberBM-Z4-85-SD1
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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