Mending BMW run rough condition

    July 15, 2024
    This bulletin applies to 2018 BMW 2 Series Coupe/Convertible, 3 Series Sedan/Sports Wagon/Gran Turismo, 4 Series Coupe/Convertible/Gran Coupe, X3 Sports Activity Vehicle, 7 Series Sedan, 5 Series Sedan and 6 Series Gran Turismo vehicles.
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    Photo courtesy of BMW
    Update the vehicle software using ISTA 4.27.10 or higher.
    Update the vehicle software using ISTA 4.27.10 or higher.

    This bulletin applies to 2018 BMW 2 Series Coupe/Convertible, 3 Series Sedan/Sports Wagon/Gran Turismo, 4 Series Coupe/Convertible/Gran Coupe, X3 Sports Activity Vehicle, 7 Series Sedan, 5 Series Sedan and 6 Series Gran Turismo vehicles.

    The vehicle may run rough or hesitate when accelerating from a stationary position. DTC FC21A02D (combustion control: valve lift correction at idle) may be stored in the DME fault memory. The cause: a software error in the DME (digital motor electronics).

    Update the vehicle software using ISTA 4.27.10 or higher.

    About the Author

    Motor Age Staff

    Motor Age has been publishing technical content for professional automotive technicians since 1899. Our writers have decades of experience and scores of ASE certifications, and they continue to teach new generations of technicians via classrooms all around the globe, as well as through the books and training manuals they've authored. 

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