Bilstein 22-220585 Suspension Strut Assembly - Front Right

Bilstein B4 OE Replacement Suspension Strut Assembly Overview

The Bilstein shock absorbers B4 OE Replacement suspension strut assembly (part number 22-220585) is engineered for BMW 325xi and 330xi models. Designed to restore original ride comfort and handling, this strut assembly features a durable black paint finish and a twintube internal design for consistent performance.

• Compatible with BMW 325xi and 330xi models
• Part number 22-220585 for precise identification
• Twintube internal design for reliable damping
• Black paint finish for corrosion resistance
• Lower mount type: base cup; upper mount type: stem
• Boot not included

Detailed Features of the Bilstein B4 OE Replacement Strut

This Bilstein suspension strut assembly is part of the B4 OE Replacement series, which focuses on delivering original equipment quality and fitment. The twintube internal design provides a balance between comfort and control, replicating the damping characteristics of the factory-installed struts. The black paint finish offers protection against corrosion, extending the service life of the component. The lower mount uses a base cup design, while the upper mount features a stem type, ensuring compatibility with the specified BMW models. Note that this assembly does not include a boot.

Applications and Common Issues Addressed

• Restores factory ride quality and handling on BMW 325xi and 330xi
• Replaces worn or leaking suspension struts
• Eliminates excessive body roll and instability
• Reduces noise and vibration from damaged struts
• Improves vehicle control and braking response

Installation Notes and Tips

When installing the Bilstein B4 OE Replacement suspension strut assembly (22-220585), ensure the vehicle is securely lifted and supported. Verify compatibility with BMW 325xi and 330xi models before installation. Since the boot is not included, inspect the existing boot for damage and replace if necessary to protect the strut shaft. Proper torque specifications should be followed for both the base cup lower mount and stem upper mount to maintain safety and performance.

Quality Assurance and Warranty

Bilstein's B4 OE Replacement line is manufactured to meet or exceed original equipment standards, providing reliable performance and durability. While specific warranty details for part number 22-220585 should be confirmed at the point of purchase, Bilstein products typically come with a limited warranty covering defects in materials and workmanship.