Bilstein 19-183916 Suspension Shock Absorber - Rear

Bilstein Shock Absorbers for BMW Z4

Upgrade your BMW Z4 suspension with the Bilstein B4 OE Replacement shock absorber, part number 19-183916. Designed to restore original ride comfort and handling, this shock absorber is engineered to meet OE specifications for reliable performance.

• Brand: Bilstein
• Brand Line: B4 OE Replacement
• Part Number: 19-183916
• Internal Design: Twintube
• Finish: Black paint
• Lower Mount Type: Eye 14.1mm
• Upper Mount Type: Stem
• Boot Included: No
• Compatible with BMW Z4 models

About the Bilstein B4 OE Replacement Series

The B4 OE Replacement line from Bilstein is designed to provide a direct replacement for original equipment shock absorbers. This series focuses on restoring the vehicle's factory ride quality and handling characteristics without altering the suspension geometry. The B4 shocks use a twintube internal design, which balances comfort and control, making them suitable for daily driving and maintaining the intended driving dynamics of your BMW Z4.

Product Details and Specifications

The Bilstein shock absorber 19-183916 features a durable black paint finish that helps resist corrosion and wear. Its twintube internal design ensures consistent damping performance, improving ride stability and comfort. The lower mount is an eye type with a 14.1mm diameter, while the upper mount uses a stem design, matching the original mounting points on the BMW Z4 for straightforward installation. Note that this shock absorber does not include a protective boot.

Common Applications and Problem Solving

• Restores factory ride comfort and handling on BMW Z4 models
• Replaces worn or leaking original shock absorbers
• Improves vehicle stability and control during cornering and braking
• Reduces excessive body roll and vibration
• Addresses uneven tire wear caused by suspension issues

Installation Notes and Tips

When installing the Bilstein 19-183916 shock absorber on your BMW Z4, ensure the mounting points correspond to the eye lower mount and stem upper mount design. Since this part does not include a boot, inspect the existing protective components and replace if necessary to prevent premature wear. Proper torque specifications should be followed to maintain suspension integrity and safety.

Quality Assurance and Warranty

Bilstein manufactures the B4 OE Replacement shock absorbers to meet or exceed original equipment standards. While specific warranty details for part number 19-183916 should be confirmed with the supplier, Bilstein products typically come with a limited warranty covering defects in materials and workmanship to ensure long-term reliability.