Godiagshop.com engineer replied:
The Godiag GD801 ODOMASTER doesn’t support this function for BMW so far.
It can read &write Odometer/ Flash/ EEPROM on the following car makes.
Download
GODIAG GD801 Mileage Correction Car List to check the specific car models supported.
GODIAG GD801 ODOMASTER Mileage Correction Highlights:
It’s easy to adjust mileage for the car models supported.
Connect GODIAG GD801 to the OBD port of vehicle via main cable
Turn on GD801 tablet and enter “Diag Program” function
Select CLUSTER CALIBRATE>> Car brand>> Car model>> Car year>> Mileage Calibration>> Input the new mileage
Reference:
GODIAG GD801 ODOMASTER Mileage Correction Guide+ Car List