quick view Add to Cart AST AST Suspension 12-18 BMW X5 35i/25D/30D/40D X-Drive w/ Rear Air Susp. Lowering Springs - 35mm/35mm - ASTLS-17-031 MSRP: $510.99 The AST Lowering springs offer a solution to reduce your vehicle’s center of gravity while preserving the comfort you’re accustomed to from the original equipment manufacturer (OEM) springs. These springs serve as a direct replacement for your OEM... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare