I've had my '21 since new, no big issues, the HK stereo bass-less issue, and apparently the head-unit had a cable that wasn't connected in the back for some reason. Still runs great. Getting low 30's/high 20's MPG on the highway in AZ (typically cruising around 75-85mph).
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Current: Tanzanite II Blue 2021 M440i
Ex's: Schwarzblau 2002 M3 Cabrio
Dakargelb 1997 M3
Black 1990 535i
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