TL* THE CONTACT OWNS A 2007 BMW 328XI . THE CONTACT STATED THAT THE ENGINE FAILED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ENGINE VALVE COVER GASKET FAILED CAUSING THE ENGINE OIL TO LEAK ON THE CATALYTIC CONVERTER BURNING THE OIL CAUSING THE SMOKE TO BLUR THE WINDSHIELD. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 48,000.