2016 BMW 650i AC Isn't Working

Common Causes of AC Issues in Your 2016 BMW 650i and How to Restore Comfort in Your Ride

Find Repair Location
Reviewed by
Devin Cabugcal
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 2016 BMW 650i 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 short circuit in the wiring can disrupt the electrical signals needed for proper operation of 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 steps to diagnose the AC issue in a 2016 BMW 650i?

To effectively diagnose the AC issue in your 2016 BMW 650i, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by checking the refrigerant levels, as low levels can indicate a leak, which is a common culprit for reduced cooling performance. If the refrigerant is low, inspect the system for visible leaks, looking for any oily residue or pooling liquid beneath the vehicle. Next, assess the electric fans in both the cabin and the HVAC dash; if they are not functioning properly, this could hinder air movement and cooling efficiency. Additionally, familiarize yourself with common issues specific to the BMW 650i, such as refrigerant leaks, electrical climate control malfunctions, or compressor problems. If these initial checks do not resolve the issue, consider employing a differential diagnosis method to pinpoint the exact component that may require repair or replacement. By following this structured approach, you can effectively troubleshoot and potentially resolve AC issues in your BMW without needing professional assistance.

What are the common problems that could cause the AC to stop working in a 2016 BMW 650i?

When dealing with a malfunctioning air conditioning system in a 2016 BMW 650i, it's crucial to understand the common problems that may be at play. One prevalent issue is a refrigerant leak, which can significantly hinder the AC's performance. This often occurs due to wear and tear on the system's components, leading to a loss of refrigerant that is essential for cooling. Additionally, electrical climate control issues can arise, where the system fails to respond correctly due to faulty wiring or malfunctioning sensors. Another critical area to inspect is the air conditioning compressor, as it is responsible for circulating refrigerant throughout the system. Problems such as compressor failure, often caused by lack of lubrication or electrical faults, can prevent the AC from functioning altogether. By identifying these common issues, DIY enthusiasts can take the necessary steps to troubleshoot and potentially resolve the AC problems in their BMW 650i, ensuring a comfortable driving experience.

How urgent is it to address the non-functioning AC in a 2016 BMW 650i?

Addressing a non-functioning AC in your 2016 BMW 650i is not just a matter of comfort; it is a critical issue that requires immediate attention. Ignoring the symptoms of a malfunctioning air conditioning system can lead to more severe problems, including potential damage to the AC components, which can be costly to repair. Moreover, driving without a functioning AC in hot weather can create an uncomfortable and even hazardous environment inside the vehicle, increasing the risk of heat-related health issues. Regular maintenance and prompt diagnostics are essential to prevent these complications, ensuring that your vehicle remains in optimal condition. By taking action quickly, you not only enhance your driving experience but also safeguard the longevity of your BMW's AC system, making it a vital step for any DIY enthusiast looking to maintain their vehicle effectively.

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.