Bilstein 22-217981 Suspension Strut Assembly - Front

Bilstein B4 OE Replacement Suspension Strut Assembly Overview

The Bilstein shock absorbers B4 OE Replacement suspension strut assembly (part number 22-217981) is designed specifically for BMW 228i and 230i models. Engineered with a twintube internal design and finished in durable black paint, this strut assembly offers reliable performance and a direct fit for your vehicle.

• Compatible with BMW 228i and 230i models
• Part number 22-217981 for precise identification
• Twintube internal design for consistent 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 Product Description

This Bilstein B4 OE Replacement suspension strut assembly is engineered to meet original equipment specifications, ensuring a direct replacement for your BMW 228i or 230i. The twintube internal design provides reliable damping characteristics suitable for everyday driving conditions. The black paint finish offers protection against corrosion, extending the service life of the strut. The lower mount features a base cup design, while the upper mount uses a stem type, both designed to match factory mounting points for straightforward installation. Note that this assembly does not include a boot.

About the B4 OE Replacement Product Line

The B4 OE Replacement line from Bilstein focuses on delivering suspension components that replicate the original equipment's performance and fitment. This product line is ideal for drivers seeking a reliable and direct replacement without modifying their vehicle's suspension setup. The B4 series balances comfort and control, making it suitable for maintaining the driving characteristics of BMW 228i and 230i models.

Common Applications and Problem Solving

• Restores factory ride quality and handling on BMW 228i and 230i
• Replaces worn or leaking suspension struts
• Eliminates excessive bouncing or poor damping response
• Addresses uneven tire wear caused by faulty struts
• Improves vehicle stability and control during cornering

Installation Notes and Tips

Ensure compatibility by verifying the part number 22-217981 matches your BMW 228i or 230i model year and configuration. Installation requires proper tools to safely remove and replace the suspension strut assembly. Since the boot is not included, inspect the existing boot for damage and replace if necessary to protect the strut. Follow manufacturer torque specifications for mounting hardware to maintain safety and performance.

Quality Assurance and Warranty

Bilstein manufactures the B4 OE Replacement suspension strut assembly to meet stringent quality 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 product documentation or the manufacturer for exact warranty terms.