2015 BMW 550i GT XDrive AC Isn't Working

Common Causes of AC Malfunctions in Your 2015 BMW 550i GT xDrive and How to Fix Them

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Reviewed by

Andrew Hajjar

Written by RepairPal Car Genius

Updated January 14, 2025

37% chance it's the

Refrigerant Leak

21% chance it's the

Climate Control Electrical Issue

12% chance it's the

AC Compressor

30% chance it's

Something else

The most common reasons a 2015 BMW 550i GT 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 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 best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2015 BMW 550i GT xDrive climate control issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

What are the common problems that could cause the AC to stop working in a 2015 BMW 550i GT xDrive?

When troubleshooting the air conditioning system in a 2015 BMW 550i GT xDrive, it's essential to understand the common problems that may lead to AC failure. One of the primary issues is low refrigerant levels, which can prevent the system from blowing cold air effectively. Additionally, a faulty compressor can disrupt the entire AC operation, making it crucial to check its functionality. Electrical problems, such as a malfunctioning relay or control module, can also hinder the performance of the AC fan blower motor. It's important to inspect the air filters as well, as clogged or dirty filters can restrict airflow and reduce cooling efficiency. Furthermore, issues with the condenser or evaporator can contribute to inadequate cooling, while specific BMW-related problems, such as misadjusted control knobs or failed auxiliary fans, may also be at play. Addressing these common issues can help restore the AC system's functionality, but for a thorough diagnosis and repair, consulting a qualified technician is recommended.

How urgent is it to repair the non-functioning AC in a 2015 BMW 550i GT xDrive?

Addressing the non-functioning AC in your 2015 BMW 550i GT xDrive is not just a matter of comfort; it is a pressing issue that requires immediate attention. A malfunctioning air conditioning system can lead to significant discomfort during extreme weather conditions, making driving an unpleasant experience for both the driver and passengers. Moreover, neglecting this issue can exacerbate the problem, potentially leading to more extensive damage that could result in costly repairs down the line. Timely repairs not only enhance the driving experience but also contribute to the longevity and efficiency of your vehicle's AC system. Therefore, it is crucial to prioritize this repair to ensure optimal performance and maintain the overall enjoyment of your BMW.

Related 2015 BMW 550i GT xDrive Problems

Read about related problems experienced by other BMW 550i GT xDrive drivers like you.

Nissan Rogue AC compressor failure causing hot air from air conditioner

Some Nissan Rogue owners report experiencing issues with their AC compressor, leading to hot air blowing from the air conditioner. These problems often stem from a faulty compressor that can cause the air conditioning system to malfunction, resulting in hot air instead of cool air from the vents. Common signs of AC compressor failure include unusual noises and a noticeable lack of cooling. If the compressor fails, it compromises the entire air conditioning system's functionality, significantly impacting the vehicle's cooling efficiency.

2 model years affected

Avg Mileage: 156,500

2 others reported problem

1 comment

Updated Pressure Cycling Switch Available to Fix Frozen AC Evaporator

The AC evaporator may freeze after extended use of the air conditioner. The output may feel low due to the restricted evaporator. Once the ice buildup melts, the AC operates normally. A revised low pressure cycling switch is available which may fix this concern.

4 model years affected

Avg Mileage: 167,750

6 others reported problem

0 comments

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