BMW: SERVICE ACTION-RETROFIT OIL LEVEL SENSOR GROUND STRAP. THE GROUND STRAP BETWEEN THE OIL LEVEL SENSOR (QLT) AND THE BRACKET FOR THE SENSOR CONNECTOR WAS NOT FITTED DURING PRODUCTION. A POOR OIL LEVEL SENSOR GROUND CONNECTION MAY LEAD TO IMPLAUSIBLE MEASURED VALUES FOR THE ENGINE OIL LEVEL OR OIL TEMPERATURE. *PE