What are the symptoms of a faulty transfer case in a BMW X6?

1 Answers
StCassidy
07/29/25 4:17pm
BMW X6 transfer case failure manifests as the inability to switch to four-wheel drive mode or the occurrence of unusual noises while driving. Here are additional details: 1. Function of the transfer case: The primary role of the transfer case is to rationally distribute the engine's power, delivering it to the rear axle or simultaneously to both the front and rear axles. It enables the switching of the vehicle's drive mode, allowing a four-wheel-drive vehicle to switch to two-wheel drive. 2. Precautions: The transfer case contains specialized gear oil, which should be replaced regularly. It is recommended to replace it when the vehicle has traveled approximately 60,000 to 80,000 kilometers. When switching drive modes using the transfer case, it is best to do so when the vehicle is stationary to prevent wheel backlash from damaging the transfer case.
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