Yes, I have had this problem twice. Both times it was a faulty sensor & required 2 days to repair (parts shipped in.)

This has been the only problem with my X5 (28 months, 30k miles) for which I am thankful!

__________________
2008 4.8i Mineral Green Metallic Sports Package, Technology Package, Cold Weather Package, Rear Climate Package, Premium Package, Premium Sound with iPod adaptor & Sirius Radio, Auto Tailgate, Head up display