Originally Posted by govtec
I'm leaning towards buying the oil from the dealership and drive it until 200K. Then, I'll do the next oil change along with the pan.
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.