AST F97 X3M / F98 X4M Adjustable Lowering Springs

Upgrade the stance, handling, and adjustability of your BMW X3M or X4M with the AST Adjustable Lowering Spring Kit. Unlike fixed height springs, this kit lets you fine tune ride height after installation, so you can dial in the perfect balance of style and performance. Whether you want track ready settings or a personalized street height, these springs adapt without replacing your suspension.

Built for compatibility with factory adaptive dampers and driver assist systems, AST’s proprietary design keeps your BMW’s comfort and safety features fully functional, with no compromise.

Height Adjustment Range

• Front: 0 to 40 mm
• Rear: 0 to 35 mm

Product Details

• Designed for BMW F97 X3M and F98 X4M, including Competition models
• Progressive spring rates tuned for everyday comfort and spirited handling
• Compatible with factory adaptive dampers / EDC, maintains full system functionality
• Each spring is blocked and computer tested to reduce initial settling
• Durable finish resists corrosion and wear
• Improves steering response, lowers center of gravity, and enhances vehicle aesthetics

Included Components

• (2) Front adjustable lowering springs
• (2) Rear adjustable lowering springs
• Adjustment collars and locking hardware

Fitment

• BMW X3M F97, all years and Competition models
• BMW X4M F98, all years and Competition models