2006 VOLVO V50 Wheels Problems

THE CAR WAS PURCHASED NEW AND CAME EQUIPPED WITH PIRELLI TIRES. WE FOUND THEM FLAT ON MULTIPLE OCCASIONS (AT LEAST 5) AND HAD ONE FLAT WHILE DRIVING. NO CRASHES THUS FAR. WE THOUGHT IT TO BE A FAULT OF THE TIRES. NO PUNCTURES WERE EVER FOUND WHEN TAKEN TO BE REPAIRED. WE PUT ONE DUNLOP ON THE CAR THINKING THAT IF IT STAYED PROPERLY INFLATED, THEN SURELY THE PROBLEM WOULD BE THE PIRELLI BRANDED TIRES. THE NEXT FLAT WE HAD (LAST WEEK) WAS ON THE DUNLOP. INSPECTION REVEALED NO DAMAGE THAT WOULD HAVE CAUSED IT TO LOSE AIR PRESSURE. WE SUSPECT THE WHEELS ARE POORLY OR IMPROPERLY MADE AND THAT THIS CAUSES THE FLATS. LOSING PRESSURE IN A TIRE FOR ANY REASON CAN CAUSE A CRASH. WE HAVE HEARD THAT VOLVO HAS AN "UNOFFICIAL RECALL" ON THE WHEELS, BUT CANNOT FIND ANY INFORMATION ON THIS. THE ODI ID NUMBER :...