Bilstein 22-145284 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 22-145284) is engineered for BMW 328i, 335i, and 335is 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 328i, 335i, and 335is models
• Part number 22-145284 for precise fitment
• 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 Product Features and Specifications

This Bilstein B4 OE Replacement suspension strut assembly is built with a twintube internal design, providing a balance between comfort and control suitable for daily driving conditions. The black paint finish offers protection against corrosion, extending the service life of the strut. The lower mount uses a base cup design, while the upper mount features a stem type, ensuring proper alignment and fitment on compatible BMW models. Note that this assembly does not include a boot.

About the B4 OE Replacement Product Line

The B4 OE Replacement line from Bilstein is designed to meet or exceed original equipment specifications, offering a direct replacement solution for worn or damaged suspension components. This product line focuses on restoring the original driving dynamics and comfort of the vehicle, making it suitable for BMW owners seeking reliable and consistent suspension performance without modifying the factory setup.

Common Applications and Problem Solving

• Restores factory ride comfort and handling on BMW 328i, 335i, and 335is
• Replaces worn or leaking suspension struts
• Eliminates excessive body roll and instability
• Addresses uneven tire wear caused by faulty struts
• Improves vehicle control and braking response

Installation Notes and Tips

Ensure compatibility with your specific BMW model before installation. The strut assembly includes a stem upper mount and a base cup lower mount for proper fitment. Since the boot is not included, inspect the existing boot for damage and replace if necessary to protect the strut shaft. Professional installation is recommended to maintain suspension alignment and safety.

Quality Assurance and Warranty

Bilstein B4 OE Replacement suspension strut assemblies are manufactured to meet original equipment standards, ensuring durability and consistent performance. While specific warranty details are not provided here, Bilstein products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.