ON FEBRUARY 12, 2013 I WAS DRIVING MY 2008 ACURA RDX ON A SIDE ROAD WHEN MY TIRE PRESSURE INDICATOR LIGHT CAME ON. I FELT A SLIGHT BUMPING FROM MY WHEELS. WHEN I LOOKED UP IN MY REAR VIEW MIRROR SAW A SECTION OF MY TIRE LYING IN THE ROAD BEHIND ME. FORTUNATELY I WAS AT A LOW SPEED. WHEN I PICKED UP AND CHECKED THE SECTION OF TIRE THAT HAD DETACHED I REALIZED THAT THE TIRE HAD SPLIT IN A CIRCUMFERENCE ALONG THE SIDE WALLS ON BOTH SIDES AND THAT THE SEGMENT THAT HAD DETACHED HAD THE TREAD SECTION INTACT ALONG WITH A FEW INCHES OF THE SIDEWALLS. THE REMAINING PORTION OF THE TIRE REMAINED ON THE RIM. THE TIRE WAS A MICHELIN MXM4 PILOT 235/55VRI AND HAD ONLY BEEN ON MY CAR FOR 26,000 MILES. I AM VERY CONCERNED THAT THIS IS A SIGNIFICANT SAFETY ISSUE. THE DOT# FOR THIS TIRE IS B93JPHFX4110. NONE OF THESE TIRES HAVE PERFORMED TO NEAR THE 50,000 MILES THAT THEY ARE RATED AT. ON JANUARY 4, 2011 AT 26,644 MILES I HAD TO REPLACE THE 2 REAR TIRES AS THEY HAD WORN TO THE TREAD WEAR INDICATORS. ON JANUARY 6, 2012 AT 38,979 I HAD TO REPLACE THE FRONT TIRES AS THEY HAD WORN TO THE TREAD WEAR INDICATORS. THE TIRE THAT FRACTURED ALONG THE SIDE WALL IS NOW THE 5TH. TIRE THAT I HAVE NEEDED TO PURCHASE IN THIS SERIES FOR THIS CAR. *TR