how to check oil in the transmition ? on 1992 BMW 325i

this car don't have a stick to check

Asked by for the 1992 BMW 325i
Up on a lift -level , with engine running , small plug inside larger plug in trans pan? remove small plug and fill with PROPER fluid til it runs out..... ?
2 more answers , 1 more comment
Are we talking about the 5speed standard transmission
automatic trans
unfortunately it has to be taken in for this to be looked at.