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Old 11-07-2013, 10:21 AM
M4tthewd M4tthewd is offline
1994 2.3 M5OD
Join Date: Oct 2013
Posts: 11
Default Re: type of transmission fluid

My father got the gear oil from his work, he said it shouldn't be a problem. Why is a thicker syn oil worse in the manual transmission then ATF? What difference does it make?


I have ATF that replaces MERCON, would it be ok to use the substitute? And my rear diff is not a Limited slip, could I use the gear oil there?
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