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Old 02-14-2012, 01:07 PM
sieras5 sieras5 is offline
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Location: Europe
Join Date: Feb 2012
Posts: 16
Mein Auto: BMW E60
Originally Posted by fordperf View Post
Most cars can use an OnStar/BMWAssist mechanism to set an internal date/time clock with the correct time. It may also be a requirement of the FSC code, to encode the date into the string--thus the car can "know" the current year and if the code was valid for last year only.
I will give you a little secret
Everything is very simple
2011 years of the last two letters in the code is BQ,
and in 2012 the last two letter code is a CA,
So with the 2011 code not update 2012 map,
and the 2012 code is not updated the 2013 map
hope I satisfy your curiosity
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