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  1. Fuel pump fun.

    E34 M5 Discussion
    Well my M5 broke down in January and due to time constraints I'd not been able to take a look to sort it out. Symptoms were inability to rev and very lumpy idle. We did some checks on the MAF and it seemed to be working properly but injector duration was 6+ms at idle! Lambda wouldnt shift of 0v...
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