AST Suspension BMW M5 G90 Adjustable Lowering Springs

SKU: ASTALS-21-017

AST Adjustable Lowering Springs for BMW G90 M5

The AST Adjustable Lowering Springs, engineered to deliver unmatched handling, precise ride height control, and a striking stance while preserving the comfort you expect from your M5. Designed specifically for the G90 M5, these springs offer a perfect balance of performance and drivability, making them the ideal choice for enthusiasts seeking to enhance their vehicle’s dynamics without sacrificing daily usability. Backed by a lifetime warranty against breakage, this kit ensures long-term reliability and peace of mind.

Why Choose AST?

Crafted in the Netherlands using premium high-tensile chromium-silicone wire, these springs are cold-wound, heat-treated, shot-peened, and powder-coated for durability that outlasts your vehicle. The progressive spring design provides a smooth ride for daily driving while delivering responsive handling during spirited performance. Unlike fixed-rate lowering springs, the ASTALS-21-017 kit includes height adjusters, allowing you to fine-tune your M5’s ride height post-installation for a customized setup tailored to your driving style.

Key Features and Benefits

• Precise Ride Height Adjustment: Achieve a lowering of 20-46mm (front) and 10-36mm (rear), offering flexibility to dial in the perfect stance for aesthetics and performance.
• Seamless Compatibility: Fully compatible with BMW G90 M5’s factory Adaptive M dampers (EDC), maintaining OEM ride quality and electronic suspension functionality.
• Enhanced Handling: Lowers the center of gravity for improved cornering stability, sharper turn-in response, and increased road grip.
• Plug-and-Play Installation: Direct fit with OEM components, requiring no modifications for a hassle-free setup.
• TUV Certified: Meets stringent European quality standards, with certificates available upon request.
• Lifetime Warranty: Guaranteed against breakage, ensuring confidence in your investment.

Fitment Details

• Year: 2025+
• Make: BMW
• Model: G90 M5 (Sedan, including standard and Competition models)
• Drivetrain: Compatible with both xDrive (AWD) and RWD configurations

Note: Designed specifically for the G90 M5’s double-wishbone front suspension, allowing factory alignment specs to be maintained even when lowered.

What’s Included in the Purchase

• 4 Adjustable Lowering Springs: Front and rear springs tailored for the BMW G90 M5.
• Height Adjusters: Allows post-installation ride height tuning for maximum flexibility.
• Installation Hardware: All necessary components for a straightforward installation.
• TUV Certification Documentation: Available upon request for compliance verification.
• Lifetime Warranty: Covers spring breakage for the life of the vehicle.

Specifications

• Part Number: ASTALS-21-017
• Material: High-tensile chromium-silicone wire, phosphate-treated, and powder-coated for corrosion resistance.
• Lowering Range:
• Front: 20-46mm (approximately 0.8-1.8 inches)
• Rear: 10-36mm (approximately 0.4-1.4 inches)
• Spring Design: Progressive rate for balanced comfort and performance.
• Manufacturing Process: Cold-wound, heat-treated, shot-peened, and individually computer-tested to minimize settling post-installation.
• Compatibility: Works with OEM Adaptive M dampers (EDC) and factory suspension components.

Part Weight and Shipping Details

• Part Weight: Approximately 20-25 lbs (9-11 kg) for the complete kit.
• Shipping Box Dimensions: Approximately 24” x 12” x 8” (61cm x 30cm x 20cm).

Why ASTALS-21-017 Stands Above the Rest

The AST Adjustable Lowering Springs for the BMW G90 M5 (ASTALS-21-017) are engineered with precision to meet the demands of M5 owners who prioritize performance, customization, and reliability. Unlike competitors, these springs offer adjustable ride height, allowing you to fine-tune your setup without compromising the factory Adaptive M damper functionality. The progressive spring rates ensure a comfortable ride for daily commutes while providing the responsiveness needed for dynamic driving. Manufactured with premium materials and rigorous quality control, these springs are built to last, backed by a lifetime warranty and TUV certification for added assurance.

Installation and Support

• Installation: Direct replacement for OEM springs, compatible with factory suspension components. Professional installation recommended for optimal results.