Bilstein 22-136572 Suspension Strut Assembly - Front Left

Bilstein B4 OE Replacement Suspension Strut Assembly Overview

The Bilstein shock absorbers B4 OE Replacement suspension strut assembly (part number 22-136572) is engineered for precise fitment on select BMW models including the 325i, 328i, 330i, 335d, 335i, and 335is. Designed to restore original ride quality and handling, this strut assembly features a durable black paint finish and a twin-tube internal design for consistent performance.

• Compatible with BMW 325i, 328i, 330i, 335d, 335i, and 335is models
• Part number 22-136572 for exact OEM replacement
• Twin-tube internal design for reliable damping
• Black paint finish for corrosion resistance
• Lower mount type: base cup for secure installation
• Upper mount type: stem for proper fitment
• 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 performance. The twin-tube internal design provides consistent damping characteristics that help maintain vehicle stability and comfort. 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 compatibility with the specified BMW models. Note that this assembly does not include a boot.

Applications and Problem Solving

• Restores factory ride quality and handling on BMW 3 Series models
• Replaces worn or damaged suspension struts to improve vehicle stability
• Addresses excessive bouncing or poor shock absorption
• Eliminates uneven tire wear caused by faulty struts
• Reduces noise and vibration from suspension components

Installation Notes and Tips

When installing the Bilstein B4 OE Replacement suspension strut assembly (22-136572), ensure compatibility with your BMW 325i, 328i, 330i, 335d, 335i, or 335is model year. Proper alignment and torque specifications should be followed to maintain suspension geometry. 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 for safety and optimal performance.

Quality Assurance and Warranty

Bilstein manufactures the B4 OE Replacement series to meet or exceed original equipment standards. Each suspension strut assembly undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details for part number 22-136572 should be confirmed at the point of purchase, Bilstein products typically come with a limited warranty covering defects in materials and workmanship.