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4speed transmission
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  1. Do-It-Yourself H.Q.
    i currently am the owner of a 1998 318i, As topic states i have a problem where my trans only slips in 3rd.i did an oil and filter change using valvoline dex/merc fluid and i still have the problem, i read that these GM transmissions carry a dextron oil,the oil i used passes dextron 3 spec's...
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