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Discussion Starter · #1 ·
Does anybody have an ECU harness wiring diagram for my '99 328i? All I really need is the speed and rpm signals. The wires at the guages will probably work too if anybody knows where those signals are on the guage harness.

If the Bentley manual has a list of the pin-outs, I'll buy one, but I don't want to spend the cash only to find out the info isn't there. Does anybody know if this is covered in the manual?
 
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