Bilstein 26-231303 Suspension Shock Absorber - Rear

Bilstein B6 Performance Shock Absorber for BMW M5

The Bilstein B6 Performance (DampTronic) shock absorber, part number 26-231303, is engineered to enhance the suspension system of your BMW M5. Designed with a monotube internal structure and finished in durable yellow paint, this shock absorber delivers consistent damping performance tailored for vehicles equipped with DampTronic technology.

• Monotube internal design for improved heat dissipation and consistent damping
• Yellow paint finish for corrosion resistance and easy identification
• Lower mount type: Eye 15.5mm for secure attachment
• Upper mount type: Stem for precise fitment
• Compatible with BMW M5 models featuring DampTronic suspension systems
• Boot not included

About the B6 Performance (DampTronic) Product Line

The B6 Performance (DampTronic) series by Bilstein is specifically developed to work with electronically controlled suspension systems like DampTronic. This product line offers enhanced handling and ride comfort by providing adaptive damping characteristics that respond to driving conditions. The 26-231303 shock absorber integrates seamlessly with the BMW M5’s DampTronic setup, maintaining factory-level control while improving overall suspension performance.

Product Details and Specifications

This Bilstein shock absorber features a monotube design, which allows for better heat management and consistent damping forces during aggressive driving or extended use. The yellow paint finish protects the shock body from corrosion, ensuring durability over time. The lower mount is an eye type with a 15.5mm diameter, while the upper mount uses a stem configuration, both designed to match the BMW M5’s suspension mounting points precisely. Note that this shock absorber does not include a protective boot.

Common Applications and Problem Solving

• Restores handling precision and ride quality on BMW M5 vehicles with DampTronic suspension
• Addresses issues related to worn or leaking shock absorbers
• Improves vehicle stability during cornering and braking
• Reduces excessive body roll and vibration
• Enhances suspension response for a more controlled driving experience

Installation Notes and Tips

Ensure compatibility with your BMW M5’s DampTronic suspension system before installation. The monotube design requires proper mounting of the eye 15.5mm lower mount and stem upper mount to factory specifications. Professional installation is recommended to maintain suspension integrity and electronic damping functionality. Verify that the shock absorber is installed on the correct side and torque mounting hardware to manufacturer guidelines.

Quality Assurance and Warranty

Bilstein shock absorbers, including part number 26-231303, are manufactured to meet strict quality standards. The B6 Performance (DampTronic) line undergoes rigorous testing to ensure durability and consistent performance. Warranty coverage details should be confirmed with the manufacturer or authorized distributor.