One problem related to engine noise has been reported for the 2009 Mini Cooper. The most recently reported issues are listed below.
The contact owns a 2009 Mini Cooper. The contact stated while starting the vehicle, parts of the engine sound as if they were loose. The vehicle was taken to a dealer and the technician confirmed that the timing chain assembly was defective. The manufacturer was notified of the failure. The failure and current mileage were 60,000.