A6 C7 Allroad Bitdi 320hp ECU software 0003 or 0004?

[armandunkn]

Hi,

I am about to upgrade my ECU from
FL_4G0907589F_0001 to either 0003 or 0004 which are before dieselgate. Does anyone have more info on which of the 2 versions I should go for and why ?



Thanks!