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1990 325ic

  1. E30 (1982 - 1993)
    My daughters 1990 325IC radiator is leaking coolant under the flanged nut that screws onto the BRASS transmission oil cooler line part that is inside the radiator. The NUT was on very tight. Question 1- If I tighten this not as tight as I can get it and use liquid weld over it, what are the...