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AST AST Suspension BMW M5 G99 Adjustable Lowering Springs
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AST Suspension BMW M5 G99 Adjustable Lowering Springs

AST
ASTASTALS-21-021
ASTALS-21-021
Lowering Springs
20+ Units In Stock - Ships Next Business Day
$ 1,480.00 $ 1,332.00
$ 1,332.00

SKU: ASTALS-21-021

AST Suspension BMW M5 G99 Adjustable Lowering Springs 2025+

AST Suspension adjustable lowering springs provide precise height control for the 2025+ BMW M5 G99 chassis with 10-30mm front drop and 20-45mm rear drop. These springs improve cornering grip reduce body roll and preserve daily drivability when paired with stock dampers. Direct bolt-on design installs on G99 platform without modifications.

Key Features

  • Adjustable Height: Threaded perches deliver 10-30mm front and 20-45mm rear drop for custom stance and alignment adjustments.
  • Chrome Silicon Steel: High-tensile progressive wound construction resists sagging under high-speed track loads.
  • Linear Spring Rates: Front 6.8 kg/mm rear 11.2 kg/mm ensure balanced response and comfort matching OEM ride quality.
  • Direct Fitment: Engineered for BMW M5 G99 OEM strut mounts requires no additional hardware.
  • Corrosion Resistant: Dual-layer powder coat and e-coat finish protects against road salt and harsh conditions.

Product Notes

  • Pair with upgraded dampers for track use to optimize damping rates.
  • Realign suspension after installation to restore camber and toe settings.
  • Ships fully assembled ready for install weight 22.5 lbs.

Installation Notes

  • Professional installation recommended.
  • Use spring compressor tool for safe removal of OEM springs.
  • Compatible with factory BMW strut assemblies torque to OEM specs.

This Part Fits

Year Make Model Submodel
2025+ BMW M5 Sedan (G99)

Why Choose AST Suspension?

  • Proven in GT3 racing and supplied to professional teams worldwide.
  • Hand-assembled in Netherlands with rigorous dyno testing.
  • Precision tolerances match BMW engineering standards.

Frequently Asked Questions

  • Q: Will these fit the 2025 BMW M5 G99?
    A: Yes designed specifically for G99 chassis including hybrid powertrain clearance all submodels.
  • Q: What spring material is used?
    A: Aerospace-grade chrome silicon steel with progressive winding for progressive load handling.
  • Q: What is the warranty and install process?
    A: 1-year manufacturer warranty covers defects professional install takes 2-4 hours per corner alignment required after.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard box 24 x 14 x 8 inches
  • Weight: 22.5 lbs

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