Quote:
Originally Posted by x5Alpine
It has about 139k miles on it. I did a drain and fill around 120k. When I floor it there is a very high pitched squeal in between gears at high rpm.
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When you changed the oil, did you move the shifter for a few seconds in each gear to allow oil to flow thru all passages?
Did you refill at the correct temperature?
Check again, your level is low .