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Re: 89 BMW 325I No Start Very weak spark.
Posted to Technical Discussion Forum on 6/3/2003

FIXED! This is a Motronic system. Only has an ECU, Pulse Sensor, and coil.

After trying 2 Coils, Checked for proper resistance between the yellow and black wires of the pulse sensor or crank sensor found it to be with in the 500-600 ohms. Also checked all wi... Login to read more.