The contact owns a 2011 BMW 328I. The contact stated that while driving at various speeds and attempting to slow down, the vehicle started to jerk abnormally, with the check engine warning light illuminated. The vehicle was taken to a local dealer and was diagnosed, and the contact was informed that the camshaft adjusting unit was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 106,000.