MINI: THE TIMING CHAIN TENSIONER DEVELOPED AN OIL LEAK AT MOUNTING LOCATION, WHICH WAS CAUSED BY THE SEAL RING MATERIAL BEING TOO SOFT, RESULTING IN TENSION LOST DURING TIGHTENING SEQUENCE OF TIMING CHAIN TENSIONER. MODEL 2010-2011 R55, R56, R57, R60 (COOPER S CLUBMAN, CONVERTIBLE, COUNTRYMAN AND HARDTOP). *PE
