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alternator e36 320i 93

  1. BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi all I wonder if anyone can clarify something for me. I need to get a replacement alternator (used) and have taken the old one out but do I need to get the exact same part number one? (was told I did by one supplier) ie on mine its a 14v 80amp, part numer 1735743 Yet I cant find one with...