Some BMW 525i owners report experiencing issues with their fuel gauge not functioning while other gauges remain operational. This problem is often attributed to a failed fuel level sensor located inside the fuel tank. Additionally, owners are advised to check for any faults or loose connections in the cluster, as a damaged module could disrupt the operation of the fuel gauge and impact signals to other indicators. Some owners also find that removing fuses one-by-one may help identify if an incorrect fuse is causing erratic behavior in the gauge cluster. Furthermore, a faulty electrical connection between the gas gauge and the sending unit, or between the Body Control Module (BCM) and the fuel-sending unit, can lead to inaccurate readings. It is crucial for owners to inspect these components to effectively diagnose and resolve the fuel gauge issue in their BMW 525i.
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