Quote:
Originally Posted by q96
you are right, but as far as i understood, there was an hypothesis that the new i drive controller works as retrofit only on cars that have recent tcu. In fact I have an european car and so an european TCU (probably with gsm) and the 048 does not work.
So either i have a tcu like said in the technical bulletin and it's normal that it didn't work or the hypothesis based on the tcu is not the right one ?
By the way, did anybody try to make unplug the tcu in a car and test the new idrive controller (for the one for who it does not work ?)
|
It could be possible that the hypothesis is not correct. However, to make matters more complicated, in this same thread there is an Australian
09/07 production E92 M3 with a GSM TCU installed from factory that the new iDrive controller worked with his old iDrive:
http://www.m3post.com/forums/showpos...7&postcount=25
One thing, though... this M3 was also updated to a newer software in 10/08.
I think that it could be possibly a combination of GSM TCU
and a software update, as there are also members here with the latest update but with a CDMA TCU and still the new controller does not work. Your production date of 02/08 could have an older software than that 10/08 version loaded in that M3.
You should try to get your software updated if there is a newer version and see if that eliminates another variable of this confusing issue.