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Suspension and Components› Air Suspension and Components

BMW Genuine Parts

Suspension Bellows

$8.72 $7.03 Save $1.69

SKU: 31331137932

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

It surrounds the shock shaft to shield it from dirt, debris, and moisture. This component works in conjunction with a bump stop to prevent damage from excessive suspension travel, thereby preserving the lifespan and performance of your BMW's suspension system.
Show original supplier description
The Genuine BMW Front Strut Dust Boot, part number 31331137932, is a crucial component for maintaining the integrity of your BMW's suspension system. This protective cover encases the suspension strut or shock shaft, safeguarding it from damaging contaminants such as dirt, debris, and moisture. By preventing these elements from reaching the strut shaft and seals, this dust boot helps to extend the life and ensure the optimal performance of your suspension. Failure of the strut bellows can manifest as visible cracks or tears in the material, or the accumulation of dirt and debris on the strut shaft, which can lead to rust or abrasions. Maintaining the condition of this part is essential for preventing premature wear on the suspension components. This Genuine BMW part is manufactured in Germany and is built to the stringent standards expected from BMW. It is a direct replacement for the original equipment part, ensuring a perfect fit and function. The part number 31331137932 is compatible with a wide range of BMW models, including the E36, E39, E38, Z3, and Z8 series. Specific fitment includes various models such as the 318i, 318is, 323i, 325i, 325is, 328i, 525i, 528i, 530i, 540i, 740i, 740iL, and Z3 models, spanning various years within these series. For precise compatibility, always consult the detailed fitment guide or your vehicle's specifications. Notably, some rear applications on the 740i and 740iL models are specified as 'w/o self levelling'.

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

BrandBMW Genuine Parts
Part Number31331137932
CategorySuspension and 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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