North American Motoring - JCW throwin p12a9 code

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mstrauss58@gmail.com

07-13-2018 07:29 PM

throwin p12a9 code

i got a 2012 328i F30 and put a bms stage 1 tuner on 2 years ago and am just now getting this code. is the chip causing this, or maybe a faulty sensor?? how should i most economically proceed to resolve??

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