Temperature gauge reading hot, but no other signs of car overheating

Hi, my name is Devin. I am an auto repair expert with the Car Genius team here at RepairPal. So sorry to hear you're having trouble with your vehicle. If your Q50's temperature gauge is reading hot but there are no other signs of overheating, there are a few possibilities. While the sensor may be malfunctioning, typically they are designed to fail at a max hot or max cool reading and the gauge wouldn't be fluctuating. Assuming the gauge is reading correctly, you may have a stuck closed thermostat or even a water pump with a damaged impeller that does not allow the coolant to circulate. Also, if you have had any work done to the vehicle, there could be an air pocket in the cooling system. Because high temperatures can damage your engine quickly, I would recommend getting this checked out before it causes any other problems. If you need more advice, have any other questions about your vehicle, or would like to get connected to a RepairPal Certified shop near you, we have you covered. Give us a call at 877-913-1554, and we will happily help you out!