One problem related to engine oil leaking has been reported for the 2007 BMW X3. The most recently reported issues are listed below.
While inspecting for an oil leak under the vehicle, a bolt fell off of the side of the engine. Inspecting the bolt, it was sheared off. Inspecting the underside of the engine, it was found the bolt came from the passenger side engine mount where the mount bolts to the block. At the same time, it was found a second bolt had also sheared off with a portion of both bolts still in the engine block. The two other bolts of the engine mount were/are still in place. Evidence of corrosion was found around the bolt holes of the missing bolts and around the lower bolt that is still in place. Investigating on the internet revealed other owners reporting similar incidents, including those causing substantial damage when the vehicle was in motion when the failure occurred. . Read more...