One of the more common reasons your BMW's engine may overheat is a coolant leak caused by a bad coolant level sensor. This sensor alerts your vehicle's computer of the current level of coolant fluid and when it detects a drastic decrease, it will trigger your temperature light. Avoid engine damage and replace this sensor today. Using our website, garagematch.ca, you can easily connect with qualified repair shops to request this service and get back on the road worry-free.