I will provide an honest answer. I trust this will be appreciated. Please remember that a low rating PUNISHES me for being honest and that I receive nothing for my time until a positive rating is clicked.
the transfer case splits power between the front axle and rear axle, it can't cause one wheel to lock up.
the diagnosis is wrong, take the vehicle elsewhere, to somebody that knows this vehicle well and has the proper skills and equipment to diagnose it.
Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle.
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it is possible that putting proper tyres on would correcet the issue immediately, but not terribly likely given that damage may have resulted from running different tyres already.
As the question has been answered, please kindly CLICK ON a positive rating.
damage to the differential, transfer case, transmission or other part of the drive train
you cannot dispute the fee, he has spent time on the car and that is his hourly rate.
the only places that are "approved" to work on your car are main dealers, you can find a list here: http://content.bmw.co.uk/bmwuk/dealerlocator/