213E OEM software: The best NA mod...
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04-16-2012, 08:38 AM
Drives: 2008 E92 M3 - Alpine White
Join Date: Mar 2008
The dealer would normally void the warranty on the DME if you updated the software to an aftermarket tune.
Would they still be able to void it if you update the firmware to 231E since it's legitimately OEM software?
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