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The Bilstein B16 (PSS9) suspension kit for 1997 BMW 540i is a front-and-rear direct-fit system that uses monotube dampers and application-matched springs to sharpen handling while offering ride-height adjustment. The nine-stage manual damper adjusts rebound and compression for varied driving conditions. Threaded, zinc-coated bodies allow approximately 30–50mm lowering; Triple-C corrosion protection, German manufacture, and Nürburgring testing provide durable, tunable performance.
Bilstein B16 1997 BMW 540i Base Front and Rear Performance Suspension System
