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E30 Tricky Turn Signals



  I have a 1984 318i that has developed a turn signal problem. When the
turn signals are turned on, a steady buzzing can be heard. Every once in
a while, (about 1 out of 50 tries), the turn signals will work.

  The Hazard signals work fine. I have replaced the turn signal relay on
the steering column, with no improvement. I have switched out the turn
signal switch, with no improvement. I am starting to suspect the
instrument cluster computer board, but at $110 i really don't want to
experiment with this suspicion.

  If anyone may know what would be causing this glitch, I really would
appreciate some assistance here.

TIA
Bart

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