It would be interesting to see the cause of failure, if the dealer does determine one. They may not want to go into the transmission to see, but the failure could be precipitated by the fluid change, or completely unrelated.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue