These random and reproducible warnings and limp mode seem to be par for the course. 3 weeks into owning by 850, while driving about 50 mph it suddenly bucked a bit, sent off all kinds of drive chain warnings, and went into limp. Very discouraging for a new car, after such a great 3er and 4er experience for12 years! But given 5 minutes sitting in a (limped to) parking lot, restarted and no alerts! And no more for the last 5 months. Never sure if it was a drop of water in the gas, some lucky cosmic ray hitting some digital gate, or ....
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