Bilstein 19-220970 Suspension Shock Absorber - Rear

Bilstein Shock Absorbers for BMW 645Ci and 650i

The Bilstein 19-220970 shock absorber is designed specifically for BMW 645Ci and 650i models, providing reliable suspension performance. Engineered with a twintube internal design and finished in durable black paint, this shock absorber offers consistent damping for improved ride comfort and vehicle control.

• Brand: Bilstein
• Brand Line: B4 OE Replacement
• Part Number: 19-220970
• Internal Design: Twintube
• Finish: Black paint
• Lower Mount Type: Eye 15.8mm
• Upper Mount Type: Stem
• Boot Included: No

About the B4 OE Replacement Product Line

The Bilstein B4 OE Replacement line is engineered to meet or exceed original equipment specifications, making it a direct replacement for factory-installed shock absorbers. This product line focuses on restoring the original driving characteristics of your BMW 645Ci or 650i, ensuring consistent handling and ride quality without altering the vehicle’s suspension geometry.

Product Details and Features

The 19-220970 shock absorber features a twintube internal design that balances comfort and control, suitable for daily driving conditions. Its black paint finish provides corrosion resistance, extending the service life of the component. The lower mount uses a 15.8mm eye, while the upper mount is a stem type, matching the original mounting points on compatible BMW models. Note that this shock absorber does not include a protective boot.

Common Applications and Problem Solving

• Restores suspension performance on BMW 645Ci and 650i models
• Addresses excessive body roll and poor handling
• Reduces uneven tire wear caused by worn shocks
• Improves ride comfort by damping road vibrations
• Eliminates noise and harshness from failing shock absorbers

Installation Notes and Tips

Ensure compatibility with BMW 645Ci and 650i models before installation. The shock absorber mounts with a 15.8mm eye at the lower end and a stem at the upper end, matching original equipment specifications. Professional installation is recommended to maintain suspension alignment and safety. Verify torque specifications and inspect mounting hardware during replacement.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet OE standards, ensuring durability and consistent performance. The B4 OE Replacement series is designed for reliable operation under normal driving conditions. Please refer to Bilstein’s official warranty policy for specific coverage details related to the 19-220970 shock absorber.