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My advice would be to keep one of those $30 OBD2-wifi/bluetooth dongles in the car at all times and just pay the $50 for BMWhat/Carly. You could've easily pulled the code during a cooldown session to see if it was something serious or just a nuisance light.
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Now: 2017 Corvette Grand Sport, 2021 AMG C63 S sedan
Past: 2011.5 M3 sedan ZCP
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