Possible causes of mechanical faults
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
- Sensor linkage reversed (sensor arms must always face outward, rear axle: connector faces inward). Refer to repair instructions . See 37 14 515 REPLACING REAR LEFT OR RIGHT RIDE HEIGHT SENSOR or 37 14 515 REPLACING FRONT LEFT OR RIGHT RIDE-HEIGHT SENSOR .
- Sensor bracket twisted (holder in centering bore? Holder must be flush with rear axle support or spring bracket)
- Sensor linkage torn or bent
- Leakage (see check below)