i have two computers stacked on top of each other in my boot below the rear parcel tray...which is the hicas one? note i have an R33
they look like this (dodgy representation). is it the larger one on top or the smaller one below?
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..|____|
I think the smaller one is the HICAS computer from the info above, but then what is the larger one? main ecu?
thanks, this has been bugging me for a while