Button: You are correct with the Hotwire ECU, however, if you replace the chip with a Tornado Chip you open up the system to be adaptive and learn. It makes a difference as long as you change the other components too allowing the engine to breath/fart and enjoy itself!!
Bruce 1964 4/4 Series V Comp (Megan) 1994 +8 (Maurice) tis no more 2013 M3W (Olga)
