2017 BMW 750i XDrive AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 BMW 750i xDrive and How to Resolve Them

Find Repair Location
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 750i 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 steps should I take to diagnose the AC issue in my 2017 BMW 750i xDrive?

When diagnosing the AC issue in your 2017 BMW 750i xDrive, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by inspecting the air filters, as dirty or clogged filters can significantly hinder airflow and reduce AC efficiency. Next, assess the refrigerant levels; low levels may suggest a leak in the system, which is critical to address. Following this, examine the compressor for any unusual noises or signs of leakage, as it plays a vital role in the AC's operation. Additionally, testing the thermostat is crucial, as a malfunctioning thermostat can impair the cooling process. Be sure to look for any visible leaks in the AC system, as these can lead to refrigerant loss. Finally, evaluate the electrical components to ensure all connections are secure and functioning correctly. If these steps do not resolve the issue, consulting a professional mechanic or HVAC technician is advisable to ensure a thorough diagnosis and repair. By following this structured approach, you can effectively identify and address the AC problems in your BMW.

What are the common problems that could cause the AC to stop working in a 2017 BMW 750i xDrive?

When troubleshooting the air conditioning system in a 2017 BMW 750i xDrive, it's essential to recognize several common problems that could lead to a malfunction. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent issue is a faulty compressor; if the compressor isn't functioning correctly, it won't circulate the 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 malfunctioning thermostat may fail to regulate the temperature properly, further complicating the AC's performance. By understanding these common problems, DIY enthusiasts can better diagnose and potentially resolve AC issues in their BMW, ensuring a comfortable driving experience.

How urgent is it to repair the non-functioning AC in a 2017 BMW 750i xDrive?

When faced with a non-functioning AC in your 2017 BMW 750i xDrive, the urgency to address the issue cannot be overstated. A reliable air conditioning system is essential for ensuring a comfortable driving experience, particularly during sweltering summer months or on long journeys. The discomfort of a malfunctioning AC can quickly escalate into an unbearable situation, making it imperative to seek repairs promptly. Moreover, safety is a critical concern; without a functioning AC, foggy windows can severely impair visibility, increasing the risk of accidents. Additionally, neglecting AC repairs can adversely affect your vehicle's resale value, as potential buyers may be deterred by the prospect of costly repairs. Lastly, delaying repairs can lead to further damage within the AC system, resulting in more extensive and expensive fixes down the line. Therefore, addressing AC issues swiftly is crucial not only for your comfort and safety but also for maintaining the overall integrity and value of your BMW.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2017 BMW 750i xDrive AC Not Working: Causes & Repairs