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Coilover Guide

Coilover suspension systems replace the factory springs and shocks with adjustable, integrated units. This guide covers selection, installation, and tuning for the E46 platform.

  • BC Racing BR Series: Good value, 30-level damping adjustment
  • Raceland Ultimo: Basic adjustable, limited dampening control
  • Bilstein B14/B16: OEM-quality ride with adjustability
  • KW V1/V2/V3: German-engineered, excellent street comfort
  • ST Suspensions (by KW): Budget KW alternative
  • Öhlins Road & Track: Premium monotube, excellent performance
  • AST 5100/5200: Purpose-built, rebuildable
  • MCS (Motion Control Suspension): Top-tier, custom valved
  • Spring compressor required for stock spring removal
  • Alignment mandatory after installation
  • Torque strut top nuts to 64 Nm
  • Set initial ride height before alignment
  • Allow 500 miles for settling before final alignment