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I've had my M3LR for a week now and have 318 miles on it yet still no calibration either. I have been doing highway driving and driving around town. I'm on the same software version as you. One would think it would have calibrated by now.
Just took delivery on a 2021 M3 LR yesterday and got in the car for the first time. The B-pillar trim piece came off and opened up an inch-wise gap. Service appointment made. Get to live with this for another week. Seems like a design or quality flaw.