What does it mean when BMW chassis functions are restricted?

1 Answers
ElisaMarie
07/29/25 4:44pm
BMW chassis function restriction can be understood as the adjustment of the suspension system being limited. The main reasons for chassis function restriction include damaged or failed height sensors; damaged or leaking air shock absorbers; damaged air compressors; VDP control program malfunctions; damaged or leaking accumulators; damaged or stuck air distribution valves; and air leaks in the air lines. Here is a related introduction to the BMW chassis: 1. The chassis acts on the four wheels, making minor adjustments up and down during driving due to bumps and load changes, thanks to the suspension system. Therefore, chassis function restriction can be understood as the adjustment of the suspension system being limited. 2. BMW generally uses an air suspension system (some lower-end models require it as an optional feature), which mainly consists of the VDP (Vertical Dynamics Platform), height sensors, air shock absorbers, accumulators, air compressors, air distribution valves, and air lines.
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