trans dosen't shift when car is cold I have to warm up at list 5min any idea? on 2003 BMW 325i

I have a 325i 2003 bmw .transmission Does not shift from 1-2 until 3500-4000 rpm when cold (during initial take off from setting overnight or at work all day). Works fine once car has been driven couple of miles.Any ideas?

by in Youngstown, NY on September 24, 2012
2 answers 3 comments
ANSWER by on September 24, 2012
check your trans fluid first
COMMENT by on September 25, 2012
I DID AND FLUID IT'S OK.
ANSWER by on September 25, 2012
poss trans service, how many miles on car and have you had tras serviced b4
COMMENT by on September 25, 2012
NEVER TRANS SERVICE, 144K
COMMENT by on September 25, 2012
that may help i would start there but have trans codes ck'd 1st to see if there are any