Had my 08 4.8 transmission software updated last week and it does feel much smoother. It seems to kick down to 1st gear sooner as I am coming to stop, no more last minute kick down that caused jerking.

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2011 X3 35i
2008 X5 4.8i
2003 330xi -sold-
2001 X5 4.4i -sold-
2001 M5 -sold-
2001 M Roadster (SCed, Highly modified) -sold-
2000 M Roadster -sold-
1995 325is -sold-