Quote:
Originally Posted by jakerazzz
Can I ask what issues you are having? I’m having a shudder from 1st to second at low rpm. Thinking about changing tire to square setup as well as I’ve heard that helps
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Exactly that, but it also happens when changing gears from neutral to 1st if I remember correctly. So this happened to me already several times. Each time was fixed by changing oil in xdrive transfer box. But it was about time to take care of source of the problem and not only the consequences.
Judging by what my car mechanic told me and what I've read on forums, it is due to different tire diameter back and front. Indeed, when I purchased this car, there were different types of tires back and front. Front were a bit more worn out and therefore having smaller diameter, which was probably causing the issue.
My car mechanic proposed me to put all the same tires with star on them (tires with star are approved by bmw). I bought 4 same tires, but then I realized my back wheels are wider than front and they won't fit same tires. In order to keep things as simple as possible now and in the future, I decided to put the same wheels and tires front and rear. Therefore my initial question.