Vehicle Fitment

  • 2019-2025 BMW 3‑Series 330i Sedan (G20, RWD) - Base/Sport/Adaptive Suspension
  • 2021-2025 BMW 4‑Series 430i Coupe/Convertible (G22, RWD) - Base/Sport/Adaptive Suspension

Features

  • Progressive sport spring design for improved handling
  • Lowers vehicle center of gravity to reduce body roll
  • Aggressive stance with reduced fender gap
  • Maintains comfortable ride quality for daily driving
  • Balanced spring rates for performance and comfort
  • Compatible with OEM or sport/adaptive dampers
  • High-strength, durable spring steel construction
  • Improves steering response and high-speed stability

Specifications

  • Part Number: 28662‑1
  • Material: High-strength spring steel
  • Front Lowering (w/ sport/adaptive suspension): ~1.1" (28 mm)
  • Rear Lowering (w/ sport/adaptive suspension): ~1.1" (28 mm)
  • Front Lowering (w/o sport suspension): ~1.6" (40 mm)
  • Rear Lowering (w/o sport suspension): ~1.5" (38 mm)
  • Front/Rear, left/right confirmed fit
  • Sold as complete set for all four corners

Included Components

  • 1x Front left lowering spring
  • 1x Front right lowering spring
  • 1x Rear left lowering spring
  • 1x Rear right lowering spring

Product Description

The H&R 28662‑1 Sport Lowering Springs are designed to enhance handling and aesthetics for BMW 330i and 430i RWD models. By lowering the center of gravity, these springs reduce body roll and improve cornering precision while maintaining a comfortable ride for daily driving.

Constructed from high-strength spring steel, these progressive-rate springs provide a balanced performance and are compatible with OEM or sport/adaptive dampers. Depending on suspension type, the front/rear drop ranges from approximately 1.1" to 1.6", offering both improved stance and handling.



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