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use OBD II ECU Power Supply Cable Memory Saver while changing battery

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  • use OBD II ECU Power Supply Cable Memory Saver while changing battery

    Anyone tried this before when replace vehicle battery?

    Does it work?

    Don't want to loose radio setting etc when I change my battery.

    Amazon link

  • #2
    Originally posted by louiz View Post
    Don't want to loose radio setting etc when I change my battery.
    I've disconnected the battery in my 2010.5 R36 wagon before and had no problems with lost settings - the seat/mirror position memory remained intact, as did the radio presets, but the trip computer readings did reset.

    The instrument cluster lit up like a Christmas tree at the first restart after reconnecting the battery, but that was expected, and all was well by the time I got to the end of the street (various sensors needed to recalibrate themselves after the powercycle). Fuel consumption, idle and shift quality were all normal so far as I could tell.

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