Follow the below pictures of Foxwell NT510 function menu to have 2003 BMW 745i reset the transmission.
EGS 6HP transmission control
Tips: if you are not sure if Foxwell NT510 supports or not, better send the transmission Number to Sales@FOXWELLtool.com and foxwelltool.com customer service will help you ensure, just do as below.
Enter “ECU information” to check.