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I am restoring a 1984 BMW 323i with a Bosch ignition system. The wiring loom requires replacing. I have purchased a wiring loom from a car with a Siemans ignition system and have traced the wires that join the engine wiring loom to the main wiring loom and have established that the wires could be interchanged with the wires from the new wiring loom although the plugs are different, the wires could be soldered on to their respective positions. I would like to know if this is suitable. The Siemans system has an Ignition Coil Resistor which the Bosch system does not have.

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Posted on Jan 03, 2011

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