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Home >> BMW >> 2005 >> 330xi Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lights - Service Information >> Light >> E46 Ride-Height Sensors >> How It Works

How It Works

The ride-height sensors for automatic headlight-range adjustment feature send voltage signals to the AHL control unit as follows: as the springs are compressed, the output voltage of the ride-height sensors changes linearly.