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  1. E39 M5 fuel delivery? Stumble pop bumble!

    E39 M5 and E52 Z8 Discussion
    OK, the beast has been backfiring, bogging down in the cold and popping and pinging when I blip the throttle when it is warm. On freeway onramps (especially those hard right ones) the car literally stumbles and two times has gone into limp home mode. The MAFs were replaced as that was the code...
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