you dont need to connect directly to the batt-
you can use any ground you like with external battery, this connection bypasses the blown + cable terminal.
this is how i powered my car after an accident and a totally dead battery
also i need to note, that after the battery dies the onboard CIC goes into transportation mode which limits car and stereo functions.
this can be disabled via INPA
__________________
135i N55 / KW V3 / MHD Flash / Tons of grip mods / CP-E charge pipe / CP-E 7" FMIC
|