2017 BMW 650i XDrive AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 BMW 650i xDrive and How to Resolve Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 BMW 650i xDrive AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2017 BMW 650i xDrive?

When your 2017 BMW 650i xDrive's AC isn't functioning properly, start by checking the thermostat settings to ensure they are correctly adjusted. Sometimes, the solution is as simple as setting the desired temperature. Next, inspect the air filters; if they are dirty or clogged, replacing them can significantly improve airflow and AC performance. It's also crucial to examine the refrigerant levels, as low levels can lead to warm air blowing from the vents. If you suspect a refrigerant leak, look for oily residue around the AC system's connections and hoses, as this can indicate a loss of refrigerant. Additionally, test the compressor to ensure it engages when the AC is activated; a malfunctioning compressor may require repair or replacement. Finally, check the electrical connections related to the AC system for any signs of corrosion or looseness, as faulty connections can hinder the system's efficiency. By following these steps, you can effectively diagnose and address common AC issues in your BMW, potentially saving time and money on repairs.

What are the common problems that could cause the AC system to stop working in a 2017 BMW 650i xDrive?

When troubleshooting the AC system in a 2017 BMW 650i xDrive, it's essential to understand the common problems that may arise. One of the primary issues is low refrigerant levels, which can significantly hinder the system's ability to cool effectively. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent culprit is a faulty compressor; if the compressor is not functioning properly, it will fail to circulate refrigerant, resulting in warm air blowing from the vents. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it crucial to inspect these components. A clogged or leaking condenser can also impede the cooling process, as it plays a vital role in dissipating heat from the refrigerant. Lastly, a defective blower motor can lead to inadequate airflow, further diminishing the system's cooling performance. By understanding these common problems, DIYers can effectively diagnose and address AC issues in their BMW, ensuring a comfortable driving experience.

How urgent is it to address the AC failure in my 2017 BMW 650i xDrive?

Addressing the AC failure in your 2017 BMW 650i xDrive is more urgent than it may initially seem. A malfunctioning AC system can significantly detract from your driving comfort, especially during hot weather or long trips, making it essential to resolve the issue promptly. Moreover, an AC failure might indicate underlying problems within the vehicle's cooling system, which could lead to overheating and pose serious safety risks if left unattended. By delaying repairs, you not only risk exacerbating the current issue but also increase the likelihood of incurring more extensive and costly damages in the future. Additionally, maintaining a fully functional AC system is crucial for preserving your vehicle's resale value; potential buyers are likely to be deterred by a neglected AC system. Therefore, taking swift action to address AC failure is vital for ensuring a comfortable, safe, and valuable driving experience.

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