Porsche is recalling certain model year 2011-2012 Panamera turbo, 2012 Panamera turbo S, and 2012 cayenne turbo vehicles. The turbine wheel of a turbocharger may fracture due to a casting defect. If a fracture occurs, vehicle performance will be decreased and the turbine shaft may fracture.
Porsche will notify owners, and dealers will replace the turbine wheels, free of charge. The recall began on August 31, 2012. Owners may contact Porsche at 1-800-767-7243.