Rough Running BMW Needs Update

    June 4, 2023
    This bulletin applies to 2016 BMW 740i and 3 series sedans. The vehicle may run rough or hesitate when accelerating from a stationary position and code FC 21A02D may be stored in DME fault memory (combustion control: valve lift correction when at idle).
    Photo: BMW
    A rough-running 2016 BMW that hesitates when acceleration from a stationary position is in need of a software update.
    A rough-running 2016 BMW that hesitates when acceleration from a stationary position is in need of a software update.

    This bulletin applies to 2016 BMW 740i and 3 series sedans. The vehicle may run rough or hesitate when accelerating from a stationary position and code FC 21A02D may be stored in DME fault memory (combustion control: valve lift correction when at idle).

    This is due to a software error in the DME. Update the vehicle software using ISTA 4.27.10 or higher.

    About the Author

    Information courtesy of Mitchell 1

    Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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