Never even got to 42k before the 6sp auto transmission failed, so never got to the 1st suggested fluid 'change point'. Awaiting diagnosis of exactly what has failed and then the fight with BMW UK over this issue. At a minimum I expect them to supply any replacement tranny parts free of charge, even if I have to pay for a proportion of the labour. Not happy!

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Me:
Current: 2011 E71 40D Vermilion Red/Beige Nappa

Wifey:
Current: 2012 R80 Countryman SDX Green/Cream