how is the trans. fluid ck'ed- i cant find a dipstick on 2005 BMW 525i

how do i ck transmission fld level on 2005 bmw 525i?

Asked by for the 2005 BMW 525i
These are sealed transmissions and do not have dipsticks. BMW leaves that to service professionals--and they claim that the transmissions are sealed for life.
2 answers
BMW Service manual states to change ATF at 100K. It is sealed, so get a pro.