Originally Posted by Chriztofor
How many miles do you have? That may be too long of a drain interval since there is oil left behind in the torque converter. If you are going to go that route you should see how much BMW will charge to flush the system OR bring your oil to a good transmission place that only service transmissions and let them do the flush.
104K but all highway miles. That's a good idea. Let me check with the dealership...How can I trust these guys to change it out when their tag line is lifetime oil?