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x3 problem

  1. Help with turbo overboost code P0234

    Member Introduction
    I have a 2018 X3 turbo r XDS with appx 7500 miles. Under heavy throttle or load I get code P0234 (overboost issue), engine light comes on and you hear the wastegate blow out the built up boost. I have done some research and replaced the solenoid valve and the actuator assembly and the problem...