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Originally Posted by eddieboyii
i removed the sensors and there's current in the sockets. so i guess it's the sensors? now how would i know if the sensors are working?
does the ecu needs programming when changing new sensors?
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No need to encode the ECU if just replace the level sensor. You may need to use the DIS or code reader to diagnose the error code to find which one is dead. For X5 with xenon lights and 4.4i version, there are two level sensors on rear suspension, one on each side, and one on the front right side (one on the front left side too if equipped with adjustable height suspension). After replacement of level sensor, you may need to encode the air supply control unit.