3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
SORRY it was the transmission filler plug NOT differential
Sorry it was the transmission filler plug not the differential. Yes you will need to use a 17mm hex bit. If I can't get it off then I can't change the transmission oil, anybody got a solution to this problem?
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