10-05-2020, 10:45 AM | #1 |
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Drives: '18 M2 6MT
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What will I need if my battery dies?
Hey guys, I'm asking this question because pretty much all the cars I've had in the past require a couple of things to be input when the power comes back on. Usually it's a NAVI and radio code. Is the M2 like that, or does everything just start up fine after the battery is disconnected??
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10-05-2020, 10:49 AM | #2 | |
First Lieutenant
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10-05-2020, 11:03 AM | #3 |
Recovering RS4 owner
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pretty much all modern infotainment systems cache the vehicle's VIN, and validate it over CAN at startup. They only prompt for a code / need to be recoded if the VIN can't be validated against the cached "home" VIN -- so if the VIN changed, or if there's an issue with communication via CAN
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10-05-2020, 11:46 AM | #4 | |
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