So this gives me hope " Retrofitting of SA544 possible by replacing the instrument cluster, the complete switch cluster and the
lower steering column trim. Code retrofit with Software Service Station (SSS) via "Retrofit CIP" path."
http://www.realoem.com/bmw/showparts...69&hg=66&fg=95
and
http://www.realoem.com/bmw/showparts...18&hg=66&fg=20