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Suspension and Components› Shocks, Struts, Coil-Overs and Components

Bilstein

Bilstein B4 OE Replacement 89-90 BMW 525i/535i Front Twintube Strut Cartridge

$217.00 $154.47 Save $62.53

SKU: B009 21-030246

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Bilstein B4 OE Replacement Strut Cartridge is a front strut designed to restore original ride quality. It meets or exceeds OE standards, making it ideal for drivers seeking to regain their vehicle's factory performance and handling. This twintube damper comes in black finish and requires the reuse of factory shock mounting bolts for installation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandBilstein
Part NumberB009 21-030246

Buy with Confidence

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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