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      11-11-2012, 11:15 AM   #2
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Drives: 2011 535i M-Sport
Join Date: Feb 2010
Location: Houston, TX

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Originally Posted by amitabhbansal View Post
i have a 525d model bought on 2010 november, can any one tell me how to know the current software version of the car system?
secondly i want to know which one is latest and the changelog of the new software so that i can get it upgraded, so please post any link where i can find the latest software versions.
The only way to know the current vehicle software version is to read the Current Integration Level with E-Sys or Tool32, and then crossreference that to the corresponding ISTA/P version for your chassis.

The latest ISTA/P is version 2.48. I have never seen a changelog, and the only way to get the dealer to upgrade is if the car has a known problem covered by an SIB that states the car must be programmed, or it otherwise has a problem, and they determinie that the car needs to be programmed to fix the problem or further troubleshoot it.

- 2011 535i M-Sport (Born 10/10) - AW/BLK/DW - /ZMP (w/ARS, EDC, DHP, & AD) /ZPP /ZP2 (w/ZPS & ZPT) /ZCV (w/SCAD) /6FL /6VC
- Mods - M5 343M 20" Forged Wheels / 6WB MFID / 2TB SAT / 4U1 Ceramic / 6NR Apps / PDV 5k Fogs / Rear Fogs / Euro Tail Lights / Cyba Quad Tips