AST Suspension Lowering Springs - BMW 4-Series XDRIVE (03/2014-07/2021) Select Engine/Chassis:435i / 440i / 430D / 435D XDRIVE Daily drivers aiming for better

Daily drivers aiming for better engine efficiency and reliability

and measure the entire beam pattern using specialized equipment

Reduce brake fade by maintaining consistent hydraulic pressure during intense use

Designed with advanced synthetic technology

Bilstein B8 Performance Plus Dampers for the 2009-2016 BMW Z4 are a performance upgrade to OE Dampers designed to be paired with aftermarket lowering springs

AST Suspension Lowering Springs - BMW 4-Series XDRIVE (03/2014-07/2021) Select Engine/Chassis:435i / 440i / 430D / 435D XDRIVE Daily drivers aiming for betterAST Suspension Lowering Springs Part #: ASTLS 22 119 Overview Enhance your BMW 4 Series XDRIVE with the AST Suspension Lowering Springs, designed to improve handling, aesthetics, and ride quality. Crafted specifically for models produced between March 2014 and July 2021, these springs are an ideal upgrade for enthusiasts seeking a sportier stance and improved driving dynamics. They are engineered to lower the vehicle's center of gravity, resulting in