Bilstein 23-320628 B4 OE DampTronic Front Left Suspension Strut

The Bilstein 23-320628 is a B4 Series OE DampTronic front left suspension strut engineered as a direct replacement for vehicles equipped with factory electronic suspension control systems. Designed to restore the original ride quality, handling, and safety characteristics your vehicle had when new, this strut meets or exceeds OE standards in every dimension.

Key Features:

• DampTronic Compatible: Specifically designed for vehicles with electronically adjustable (DampTronic) damping systems, ensuring seamless integration with factory suspension control modules
• Twin-Tube Gas Pressure Design: Twin-tube internal construction with gas pressure technology delivers consistent, fade-free damping under all driving conditions and load levels
• OE-Spec Tuning: Calibrated to original equipment specifications to restore factory ride comfort, precise handling, and vehicle stability
• Fixed Spring Seat Included: Comes with a fixed spring seat for straightforward installation
• Top Pin Upper Mount / Base Cup Lower Mount: Matches OE mounting configuration for direct bolt-on fitment with no modifications required
• Black Paint Finish: Durable painted finish for corrosion resistance
• Collapsed Length: 14.04 in (356.9 mm) | Extended Length: 19.73 in (501.2 mm)
• Replaces OEM Part Numbers: BMW 31 31 8 091 355, 8 091 355
• Paired strut (right side): Bilstein 23-345935

Built to the same standards as Bilstein's original equipment shock absorbers, the B4 DampTronic strut is the ideal solution for drivers looking to restore factory performance with the confidence of world-renowned Bilstein quality. Backed by Bilstein's limited lifetime warranty against manufacturer defects.