BMW AG said it will call back 156,000 vehicles, including the 2010-12 1 Series, 3 Series, 5 Series Gran Turismo and X3, X5, X6 and Z4 along with the 2011-2012 5 Series and 2012 6 Series, because the aluminum bolts that secure the housing for the variable camshaft timing adjustment unit can loosen over time and may break and could cause stalling.
It will also issue extended warranties for another 170,000 inline six-cylinder 2010-12 vehicles not covered in the recall to address problems if they arise. The vehicles were built between September 2009 and February 2012.
BMW said in 2011 that it first had 12 warranty claims in the United States related to the camshaft unit. BMW has no reports of crashes or injuries linked to the problem in the U.S.
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