Originally Posted by
iCanuck
There is no BCM in a 2006. There is a Front Control Module (FCM) instead aka Central Gateway Module. There is a setting for axle ratio but from stock it is set to 0 and does nothing. Alfa is pretty amazing though, i’ve done a 6 to 8 speed swap and it wouldn’t have been possible without it.
VCM Editor should be able to change the gear ratio if you ask me. I really wish HP would figure this out as it seems to be an issue. If you can tune the crap out of Nag trannys why can’t you change the gear ratio? Makes no sense to me and if it was I’d be able to ditch my DB for good.