Advice
Do you need to change the oil in an automatic transmission in a BMW?
I own an E39 with an automatic and for some time now when downshifting, more or less at 60 km/h I feel jerks in the transmission. In addition, when accelerating quickly, while the engine speed is at 5000 - 4th gear jumps in. In my manual it says that the oil in the transmission is not changed, is th