Bilstein 33-52-6-855-243 B4 Rear Gas Shock Absorber

The Bilstein 33-52-6-855-243 is a B4 Series rear gas shock absorber engineered as a direct OE replacement for the BMW X1 (E84). Designed to restore factory ride quality and handling dynamics, this shock delivers the consistent, precise damping performance that Bilstein is renowned for worldwide.

Key Features:

• Bilstein B4 Series — OE-quality replacement designed to match original factory specifications
• Twin-tube gas pressure design for smooth, controlled damping across a wide range of road conditions
• Rear axle application — fits both left and right sides
• No ride height adjustment — maintains stock ride height for a true OE replacement experience
• Compatible with BMW X1 (E84) sDrive and xDrive variants (engine output range: 100–135 kW)
• Sold as a single unit

Part Number Cross-Reference:

• Bilstein MPN: 19-183862
• BMW OEM Part Number: 33-52-6-855-243 (also referenced as 33526855243)

The Bilstein B4 line is engineered to meet or exceed OEM standards, restoring the "new car feel" to your suspension system. Whether replacing a worn-out shock or performing a routine suspension refresh, this unit is a reliable, direct-fit solution built to Bilstein's exacting quality standards.