BMW M3 Forum (E90 E92) - View Single Post

SYT_Shadow · 02-05-2013, 10:32 AM

I'm also very happy with my ESS tune, but perhaps the best part of it is the 'valet mode'.

Only ESS touches my ECU... that much is clear.

02-05-2013, 10:32 AM	#15
SYT_Shadow ///M Powered for Life 11489 Rep 10,329 Posts Drives: E90M/E92M/M4GTS/M4GT4/X5M Join Date: Sep 2010 Location: Greenwich, CT iTrader: (2)	I'm also very happy with my ESS tune, but perhaps the best part of it is the 'valet mode'. Only ESS touches my ECU... that much is clear.
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