Suspension problem
2005 BMW X5 V8 Four Wheel Drive Automatic 27000 miles
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rear suspension appeared to randomly go to a full up position. SUV not equiped with optional off road switch, but does have rear airshock system. Checked 3 fuses--appeared ok. No warning light on dash. This morning the vehicle appears to be back at its normal height. Whats happening??

The relay that controls the rear self leveling possibly is intermittently sticky. The part# is 61-36-8-373-700 and is located within the dome shaped module under the spare tire.