BMW AC System Problems: Common Faults and Repair Costs
Image: BMW iX3 Air Conditioner Compressor for Sale at MT Auto Parts Warm air from the vents on a hot day, a musty smell when the air conditioning switches on, or a system that has stopped cooling altogether. These are all common reasons why BMW owners end up investigating their AC system. The good news is that these symptoms do not automatically mean the compressor has failed. Low refrigerant, a leak, condenser damage, electrical faults, blower problems and climate-control faults can all produce similar symptoms, which is why diagnosing the cause before replacing parts is important. BMW air-conditioning systems also vary considerably between generations and powertrains. Conventional petrol and diesel BMWs generally use an engine-driven compressor, while some electrified BMWs use an electrically driven compressor. The refrigerant and system design can also vary by vehicle and production date, so the correct repair procedure and refrigerant must always be confirmed for the individu...
