BAPI/ Function module to Meter Mechanism Code Equipment

Hi Experts,

I have a requirement to update Meter Mechanism Code for the Equipment. We can do this using transaction IQ02, but I have to do the update for bulk data. Meter Mechanism Code is stored in table AUSP (but updating AUSP table directly is not recommended). So I need to update Meter Mechanism Code using some BAPI/ Function module.

Could you please suggest BAPI/ Function module to Meter Mechanism Code for the Equipment.

Thanks in advance,

Dipin