It can be changed. Push the SOS button and ask the Assist Service Center to make the change. Caveat - I think this should work for you in the UK, but I'm giving U.S. advice.
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." -- Geo. Orwell
2006 330i Sonora w/ ActiveAutoWerke flash tune :-)
2004 330i ZHP Imola/NB - missed
2000 328i TiAg - gone but not forgotten
BMW CCA member #388003 - www.bmwcca.org Use me as a referral, you could win a one day ///M Driving School!