BMW 528i xDrive humming noise and difficulty engaging gear due to transfer case replacement on BMW 528i xDrive

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

Problem overview

Some BMW 528i xDrive owners report experiencing a humming noise and difficulty engaging gears, which may be linked to transfer case problems. These issues can manifest as vibrations and noise due to a faulty driveshaft or transfer case, leading to grinding sounds and excessive wear. Additionally, owners may find that shifting gears becomes challenging, with the vehicle feeling slow to engage, indicating potential transfer case failure. If diagnosed as the source of these symptoms, transfer case replacement may be necessary to restore proper function. It is advisable for owners to consult BMW specialists for accurate diagnosis and effective solutions, which may include repair or replacement of the transfer case to ensure smooth vehicle operation.

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BMW 528i xDrive vehicles with this problem

1 model year affected
Average mileage: 169,050 miles
(169,050 - 169,050)

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