2022 BMW X5 Fuel System Problems

The electric A/C compressor on my 2022 BMW X5 xDrive45e (VIN [XXX] ) failed internally at approximately 59,000 miles, causing metal debris to circulate throughout the refrigerant system. The failed compressor and contaminated components are at BMW of Sterling (Sterling, VA) and available for inspection. This is a safety concern because the A/C refrigerant circuit provides thermal management for the high-voltage hybrid battery. BMW of Sterling's service advisor confirmed in writing that the A/C system is "a critical component of your vehicle's HV system," that there is no independent backup cooling system, and that the failure "can cause potential high voltage battery failures." Without active cooling, the HV battery is at risk of overheating, which could result in a thermal event. The failure was diagnosed and confirmed by BMW of Sterling. They categorized the repair as "EHV: FULLY ELECTRIC OR HYBRID VEHICLE DRIVETRAIN DIAGNOSTICS" with the complaint "HIGH VOLTAGE SYSTEM ERROR." The repair estimate is $11,356.59 and requires replacement of the compressor, condenser, all expansion valves, and a double system flush. BMW Service Information Bulletin SI B64 09 21 documents this exact failure pattern for the G05 X5 xDrive45e, and BMW created a dedicated repair kit (part 64 50 5 A5B 590) for it. This is my second major HV component failure. A battery cell replacement was performed under warranty in 2025. Both failures were confirmed by the dealership to be component defects unrelated to owner use. Prior to complete failure, a fan noise was present in the front driver's area for a period of time before it stopped, consistent with the compressor degrading before failing entirely. A high voltage system error was displayed. BMW NA (case #XXX) has declined warranty coverage despite the vehicle being within the 8-year/80,000-mile HV battery warranty. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)