Just noticed that Squadra Tuning in The Netherlands can now access race mode on non-QV cars, see
Squadra race mode
Squadra race mode
So what you meant is to modify byte number 88 (decimal) counting from 0. I think most forum members thought you meant to find the byte sequence 0x88 0xac, then modify the byte with 0xac.In byte 88 you have AC So it should works.
Wysłane z mojego SM-G973F przy użyciu Tapatalka