Bilstein 19-103150 Suspension Shock Absorber - Rear

Bilstein B4 OE Replacement Shock Absorber Overview

The Bilstein 19-103150 shock absorber is designed to restore the original driving dynamics of your BMW 318i, 318is, 323Ci, 323i, 323is, 325Ci, 325i, 325is, 328Ci, 328i, 328is, 330Ci, and 330i models. Engineered with a twintube internal design and finished in durable black paint, this suspension shock absorber offers reliable performance and longevity.

• OE replacement quality for consistent ride comfort
• Twintube internal design for balanced damping
• Black paint finish for corrosion resistance
• Lower mount type: Eye 12mm for secure fitment
• Upper mount type: Stem for precise installation
• Boot not included

Detailed Product Description

The Bilstein 19-103150 shock absorber is part of the B4 OE Replacement series, which focuses on delivering original equipment quality and performance. This shock absorber features a twintube internal design that provides a smooth and controlled ride by effectively managing suspension movement. The black paint finish helps protect the unit from environmental wear, ensuring durability over time. The lower mount is an eye type with a 12mm diameter, while the upper mount uses a stem design, both engineered to match the original specifications for a direct fit on compatible BMW models.

About the B4 OE Replacement Product Line

The B4 OE Replacement line by Bilstein is tailored for drivers seeking to maintain their vehicle's factory suspension characteristics. These shock absorbers are engineered to meet or exceed original equipment standards, making them suitable for restoring ride quality and handling on BMW vehicles. The 19-103150 part number is a direct replacement designed to fit a range of BMW 3 Series models, ensuring compatibility and reliable performance.

Common Applications and Problem Solving

• Restores original ride comfort and handling on BMW 318i, 318is, 323Ci, 323i, 323is, 325Ci, 325i, 325is, 328Ci, 328i, 328is, 330Ci, and 330i
• Addresses excessive bouncing or poor damping
• Eliminates uneven tire wear caused by worn shocks
• Reduces body roll and improves vehicle stability
• Corrects noise or vibration issues related to shock absorber failure

Installation Notes and Tips

Ensure compatibility by verifying the part number 19-103150 against your BMW model and year. The shock absorber installs using the eye 12mm lower mount and stem upper mount, matching original mounting points. Since the boot is not included, inspect existing boots for wear and replace if necessary to protect the shock absorber shaft. Proper torque specifications should be followed during installation to maintain safety and performance.

Quality Assurance and Warranty

Bilstein shock absorbers, including the 19-103150, are manufactured to meet stringent quality standards. The B4 OE Replacement series is designed to provide reliable performance consistent with original equipment. While specific warranty details are not provided here, Bilstein products typically come with manufacturer-backed warranties to ensure customer confidence in durability and function.