Now I'm confused. My '11 272, delivery date 3/3/11 has a transmission 722906 03 256254. Is that up to transmission serial # 2 834526 for the red fluid? Are the "2" and "03" preceding the last 6 numbers ignored? Also....from Konigstiger's post it seems that all 272 and 273 take red and all 276 and 278 (direct injection motors) take blue....or am I reading something into it that's not there?