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The Bilstein B14 (PSS) performance suspension kit for select BMW 320xi, 328xi and 435xi models is an adjustable, direct-fit coilover system with monotube dampers and matched springs. It offers threaded body height adjustment for approximately 30–50mm lowering, zinc coating for corrosion protection, and Bilstein’s motorsport-tested damping technology to deliver adjustable ride height while maintaining tuned spring-and-damper balance.
Bilstein B14 (PSS) 13-15 BMW 320xi / 13-04 328xi / 15 435xi Front & Rear Performance Suspension Sys
