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      04-28-2023, 05:37 PM   #9
rjabend
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Drives: 2024 BMW X7 xDrive40i
Join Date: Dec 2019
Location: FL

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2024 X7  [6.50]
Quote:
Originally Posted by PinkNinja400Guy View Post
Recently on some other threads here, there was some discussion about aftermarket tire sizes and warranty. Step #1 in the TSB that smp linked:



So if you're using non-official tire sizes and have this issue (or any transmission/awd related issue), make sure to change back to an official BMW recognized tire size before you bring it in to the dealership.
Can someone explain why changing tires can cause transfer case problems if the new tires are the same size and whatever the problem is, it can be corrected by changing fluid? Thanks.
Appreciate 1
alic9613.50