213E OEM software: The best NA mod...
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11-14-2012, 01:31 PM
Drives: '11 AW E92 M3
Join Date: May 2012
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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