Mini Cooper air conditioning not working, battery not charging, and engine overheating issues on Mini Cooper

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mini Cooper owners report experiencing air conditioning issues, such as the AC not working due to factors like dirty cabin air filters, refrigerant leaks, and faulty components, including blower motors and compressors. Additionally, some owners find that a failing serpentine belt can lead to multiple problems, including the battery not charging and engine overheating. The battery may not charge properly if there are weak connections or issues with the serpentine belt affecting the charging system. Furthermore, engine overheating can occur due to a dirty radiator that restricts airflow or problems within the AC system. Owners are advised to check fuses and compressor connections, as a blown air compressor fuse could be a simple fix that prevents electrical hazards. To effectively address these concerns, consulting with a specialized auto shop familiar with Mini Cooper systems is recommended for accurate diagnosis and resolution.

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