Bilstein 24-023863 Suspension Shock Absorber - Rear

Bilstein B8 Rear Shock for BMW Z3

The Bilstein B8 Performance Plus shock absorber is a rear suspension upgrade for the 1996-2002 BMW Z3. Built with a monotube internal design and application-specific valving, it is paired with aftermarket lowering springs to improve handling response and maintain a sport-focused stance.

Part number 24-023863 is finished in Bilstein’s yellow paint and is engineered to meet or exceed OE quality standards through rigorous testing. For BMW Z3 rear suspension service, this damper provides a direct performance-oriented replacement with Bilstein’s B8 tuning.

Key Features

• Bilstein B8 Performance Plus series rear shock absorber
• Monotube internal design for consistent damping response
• Application-specific valve settings for lowered suspension setups
• Yellow painted finish
• Upper mount type: stem
• Lower mount type: eye 12mm
• Boot not included
• Part number 24-023863

Product Details

Bilstein B8 Performance Plus dampers are built as a performance upgrade over OE-style dampers and are intended for use with aftermarket lowering springs. On the BMW Z3 rear suspension, the monotube construction helps deliver controlled handling characteristics and a more responsive feel without changing the vehicle’s basic suspension layout. The B8 line focuses on matched valving for lowered ride heights, making it a practical choice for drivers updating a 1996-2002 BMW Z3 rear shock with a performance-tuned replacement. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Addresses

• Rear shock wear that reduces damping control on a BMW Z3
• Excessive body motion after lowering spring installation
• Reduced handling precision from tired OE dampers
• Uneven ride control at the rear suspension
• Need for a sport-oriented rear shock replacement

Installation Notes and Fitment

Fits 1996-2002 BMW Z3, rear. Confirm upper stem and lower eye 12mm mount compatibility before installation. This Bilstein shock absorber is intended for lowered-suspension applications, so it should be paired with aftermarket lowering springs for the intended B8 Performance Plus setup. Verify the vehicle’s rear suspension configuration and compare the existing damper dimensions and mounting points to part number 24-023863 before installation.

Quality Assurance

Bilstein tests B8 Performance Plus dampers to quality standards that meet or exceed OE requirements. The B8 Performance Plus line is engineered for performance-focused suspension service, with application-specific valving and Bilstein’s monotube design supporting consistent operation in lowered BMW Z3 rear applications.