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In Reply to: gear oil change -- 1985 535i 180k miles posted by fredl on September 01, 2001 at 13:59:39:
I am trying to change the gear oil but I can't get the filler plug out. It seems to be locked in. Any suggestions would be appreciated. I am very greatful to the people here who advised me to try to open the filler before draining. Also, (assuming I can get it open) is it better to use mobil 1 synthetic or ATF. The reason I am changing the oil is it getting quite difficult to shift.