YES! it can be done, BUT you have to take it apart because the Airbag ECU connects via a different data feed to the normal ECU data. It was ages ago but i think you take the wire from pin 7 and take it to 3 and then use a diagnostic program such as alfadiag to connect to the Airbag ECU and clear it. Cant remeber the process exactly but if you do a search on here you will find a thread on it which describes the process.
But yes it can be done, cheaply too, but its fiddly lol
"You cant be a proper Petrolhead until youve owned an Alfa Romeo"