Bilstein 22-240057 Suspension Strut Assembly - Front Left

Bilstein B4 OE Replacement Front Left Strut

The Bilstein B4 OE Replacement strut assembly is engineered to restore original ride quality and handling on the BMW i3. Built to meet or exceed OE standards, this front left suspension strut supports factory-style comfort and control with Bilstein’s twintube damper design.

Compatible with 2014-2021 BMW i3 front left applications, part number 22-240057 is a direct-fit suspension strut assembly for drivers replacing a worn OE unit. It is finished in black paint and uses a stem upper mount with a base cup lower mount.

Key Features

• Bilstein B4 OE Replacement series for OE-style ride restoration
• Fits 2014-2021 BMW i3, front left
• Twintube internal design for consistent damping response
• Black paint finish
• Upper mount type: stem
• Lower mount type: base cup
• Boot not included
• Part number 22-240057

Product Details

The Bilstein B4 OE Replacement line is built for drivers who want to return the suspension to original performance characteristics without changing the vehicle’s factory ride feel. This strut assembly is a strong match for BMW i3 owners looking for a front left replacement that follows OE standards for fit and function. If you are searching for a BMW i3 front left strut assembly or Bilstein 22-240057 for 2014-2021 BMW i3 suspension repair, this part addresses that application directly.

This part cross-references BMW OE numbers 31 31 6 852 215 and 31 31 6 865 173 for the same application.

Common Issues This Part Can Address

• Excessive bouncing or reduced damping control
• Uneven front suspension response on the left side
• Noise or looseness from a worn strut assembly
• Loss of original ride comfort and handling balance
• Front suspension wear on a high-mileage BMW i3

Installation Notes and Tips

Verify vehicle year and front left position before installation. Inspect related suspension components such as mounts, springs, and hardware condition during replacement, and follow factory service procedures for torque specifications and alignment checks after installation. The stem upper mount and base cup lower mount should be matched to the vehicle’s original configuration.

Quality Assurance

Bilstein B4 OE Replacement dampers are engineered to meet or exceed OE standards and are built to restore original ride quality and handling characteristics on the BMW i3. Part number 22-240057 is manufactured under Bilstein’s OE replacement product line for consistent fit and performance.