Bilstein 19-319377 Suspension Shock Absorber - Rear

Bilstein B4 OE Replacement Shock Absorber Overview

The Bilstein shock absorber 19-319377 is engineered for precise suspension performance on BMW 640i xDrive Gran Coupe and 650i xDrive Gran Coupe models. Designed as a direct OE replacement, this suspension shock absorber restores original ride comfort and handling characteristics.

• Brand: Bilstein
• Brand Line: B4 OE Replacement
• Part Number: 19-319377
• Finish: Durable black paint
• Internal Design: Twintube technology
• Lower Mount Type: Cantilever
• Upper Mount Type: Stem
• Boot Included: No

Features of the Bilstein B4 OE Replacement Shock Absorber

The B4 OE Replacement series is designed to meet or exceed original equipment specifications, providing reliable suspension performance for daily driving conditions. The twintube internal design offers consistent damping and improved ride quality, while the black paint finish protects against corrosion. This shock absorber features a cantilever lower mount and a stem upper mount, ensuring proper fitment and secure installation on compatible BMW models.

Product Details and Technical Specifications

The Bilstein 19-319377 shock absorber is built with a twintube internal design, which balances comfort and control by effectively managing suspension movement. The absence of a boot means the shock is designed for environments where additional protection is not required or is provided by the vehicle. The cantilever lower mount and stem upper mount types are engineered to match the original mounting points on the BMW 640i xDrive Gran Coupe and 650i xDrive Gran Coupe, ensuring a precise fit and maintaining factory suspension geometry.

Compatible Vehicles and Common Applications

• Restores original suspension performance on BMW 640i xDrive Gran Coupe
• Replaces worn or damaged shocks on BMW 650i xDrive Gran Coupe
• Addresses issues such as excessive body roll and poor ride comfort
• Improves handling stability and road feedback
• Reduces suspension noise and vibration

Installation Notes and Tips

Installation of the Bilstein 19-319377 shock absorber should be performed by a qualified technician familiar with BMW suspension systems. Ensure the vehicle is securely lifted and supported before removing the old shock absorber. Verify the cantilever lower mount and stem upper mount align correctly with the vehicle’s mounting points. No boot is included, so inspect the surrounding suspension components for wear or damage during installation.

Quality Assurance and Warranty Information

Bilstein B4 OE Replacement shock absorbers are manufactured to meet original equipment standards, ensuring consistent performance and durability. The black paint finish provides corrosion resistance to extend service life. While specific warranty details are not provided here, Bilstein products typically come with a limited warranty covering defects in materials and workmanship.