Ben is on the case, which is great!
He informs me these are the following codes:
P12A8 says Boost Pressure to low
P12A9 says Boost Pressure to high
P112F says MAP Sensor pressure too high
I am going to send him some pics to have a look at my install, maybe I've screwed something up... eek...
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2019 X7 50i carbon black, M package, premium, executive, fully loaded, fast as all get out
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