OEM BMW AC System Parts

The HVAC system in your BMW car or SAV keeps you comfortable no matter how bad the weather gets outside. It manages cooling, heating, and ventilating your passenger space as you head down the road.

How Your HVAC System Works

Your air conditioning system is made of four parts. A compressor pressurizes refrigerant to convert it into a hot gas. The condenser cools that gas, turning it into a liquid. The liquid then passes through an expansion valve, where it becomes a low-pressure gas. After that, an evaporator uses a fan to quickly cool the gas down. That chilled air is what gets sent through the air ducts, out of the vents, and into the cabin.

Heating is less complicated. The heating system draws hot coolant from your engine and directs into a heater core. A front-mounted fan blows outside air over the core's fins, sending the warm air into your vehicle's interior.

Unfortunately, your HVAC system can start to act up. Perhaps the hoses have degraded with age, or seals have grown weak. Maybe the compressor's gone bad. Whatever the reason, you'll want to fix things as soon as possible to ensure maximum comfort.

How to Identify HVAC System Issues

Signs of failure include:

• A steamy cabin atmosphere
• You can't keep a consistent cabin temperature
• You smell the syrupy sweet odor of coolant

Buy Genuine BMW AC System Parts Online

If you notice any of these symptoms, the first step to take is to check the condition of your cabin air filter. If it's clogged up, that's an easy solution. If it's in good shape though, you'll want to conduct a deeper investigation to determine the problem. If any of the HVAC system components need to be replaced, be sure to choose the best parts for your model. Those are the ones you can find right here in our online BMW auto parts catalog. Buy now and we'll ship your order directly to your front door!