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Four silver strut assemblies with black coil springs on grey background

Unity

Unity Front and Rear Complete Strut Kit 4-11390-15950-001

SKU CH-Z3N0-GM071

Pre-assembled front and rear strut kit fits 1998-2000 528i and 2001-2003 525i, 530i E39 models

  • Hassle-free repair with fully pre-assembled struts
  • Eliminates specialty tools for faster installation
  • 50 years of aftermarket manufacturing experience
  • Fits BMW 528I, 530I, 525I E39 chassis
  • Kit includes two front and two rear assemblies

Unity Complete Strut Kit for BMW E39

This kit supplies four fully assembled strut units — two front and two rear — designed for 1998 to 2000 BMW 528I models and 2001 to 2003 BMW 525I and 530I models on the E39 chassis. It is intended for owners or workshops performing a complete suspension overhaul without sourcing individual components.

Pre-assembled units with OE-style top mounts

Each strut arrives with the coil spring, top mount, bearing plate, bumper and insulators already fitted, eliminating the need for spring compressors or other specialty tools during installation. The OE-style design matches factory mounting points so the job proceeds with standard hand tools and typical workshop equipment.

Restores factory ride height and damping control

New dampers and springs work together to return the vehicle to its original ride height and handling balance, reducing excessive body roll and uneven tyre wear. The assemblies are built to withstand daily driving loads and provide consistent performance over the service life of the suspension system.

Highlights

  • Hassle-free repair with fully pre-assembled struts
  • Eliminates specialty tools for faster installation
  • 50 years of aftermarket manufacturing experience
  • Fits BMW 528I, 530I, 525I E39 chassis
  • Kit includes two front and two rear assemblies

Specifications

BrandUNITY

Questions about this item

What interface or standard does the Unity 4-11390-15950-001 strut kit use, and what does it cap in practice?

The kit uses the OE-style strut assembly interface, which caps the repair at a direct bolt-on replacement without specialty tools.

What physical dimensions or mounting points does the Unity 4-11390-15950-001 require to fit my E39 chassis?

It fits 1998-2000 BMW 528i and 2001-2003 BMW 525i/530i models on the E39 chassis using factory mounting points.

How is the Unity 4-11390-15950-001 installed, and which step do people often get wrong?

Install the fully assembled units by bolting to the factory strut towers; the step often missed is torquing the top mount bolts to spec after the vehicle weight is on the suspension.

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