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Originally Posted by ERinEC
I was just informed by the dealer that my 2011 E92 has E89X-10-09-511 and that unless the car is throwing a code, no need to upgrade.
Could I benefit from an upgrade? This appears to be a rather dated version.
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Yours would be worth updating. You are on ISTA/P version 2.39. The main factory improvements start at 2.46 from what I have gathered. I'm sure Mike can correct me if I'm incorrect.