Update: ***** BMW states that ALL 2003 head units are Sirius compatible. So for units built in 2003 the yr from the week/yr digits are the important ones i.e. "03" the software version is not important. However for any MY2003 head unit manufactured in 2002 the SW version needs to be "50" *****
Originally Posted by sdwolff
What was the part number on the new radio?
I'm looking for a used radio and want to make sure i'm getting a Sirius ready radio. Are all '03 E46 radios Sirius ready?
To access the headunit software version number and week/year build of the headunit:
With the ignition off, turn on radio.
Hold "m" key for ~ 10 seconds, until the unit serial number is displayed.
Press the key under the "+"
The week/year build of the headunit and the software version is displayed. The software version is the right two digits.
A software version than or equal to "50" and "02" in the year field for head units manufactured in 2002
--- OR ---
"03" in the year field for 2003 built units.
This information is also on a tag on the bottom of the head unit. Get the seller to take a pic of it.
Last edited by ObD; 10-03-2003 at 07:45 AM.