6Post.com | BMW 6-Series Forum - View Single Post

NytWolf · 10-06-2020, 10:35 AM

What is an ESS tune -- OBDII port tune, piggyback, ECU flash? Trying to understand how it works. I look at the website and see two products, both with wiring harnesses.

10-06-2020, 10:35 AM	#14
NytWolf Private 22 Rep 56 Posts Drives: 2016 F10, 2015 F30, 2008 E60 Join Date: Apr 2019 Location: California iTrader: (0)	What is an ESS tune -- OBDII port tune, piggyback, ECU flash? Trying to understand how it works. I look at the website and see two products, both with wiring harnesses.
	Appreciate 0 Quote