auto transmission care / jerks

I have found this amazing article about the transmission in BMW E90’s so I’m re-posting it here in my blog with updated pictures and part numbers to match ZF 6HP21. Perhaps best to change atf every 30,000km and change seals at 60,000km. The same requirement applies also to all BMW gearboxes...

Taking care of the BMW autotrans. I had experience and so I am sharing Gearbox auto gets a bit jerky from around 50,000km onwards. Usually when coming to a stop a slight small jerk. Before doing a solenoid change which seems to be available only for zf gearbox, plastic pan vs a metal pan...