I am not suprised to hear your complaint. I think the likelyhood of this happening is correlated with the size of the dealership. I suspected the small dealership from which I bought my 1M would not likely have the specialized lubes for the car so I first called parts and asked if they had the dif oil in stock using the part number. After getting a negative answer I told them they better order it as my car will be coming in for service two days later. The I called the service adviser, told him what I needed and referenced the appropriate tech bulletin. He said they will get it ordered. Whew! I suspect they would have just put in the dif oil for the regular 1 series. Now that I see your post I will do this again before I come in for the 1200 mile....We really shouldn't have to do this.......
Former M cars: Euro E30 M3, 01 E39 M5, 08 E60 M5