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Old 31-08-2016, 10:45 AM
Richard L Richard L is offline
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Join Date: Oct 2003
Location: England
Posts: 4,936
Default Re: Bmw n54 12v pre-crank help

I cannot see any difference between the 07 and 08 model, regarding wiring.

The two red wires should be powered up at the same time as the ECU (DME). I cannot see any problem with that. The test procedure on user manual may duffer from car to car. Following the wiring diagram. You need to have the green harness connected.
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