How Do you send a power cord through a 96 BMW 318ti Firewall?

I need to send a power line from my battery to my amplifyer in the back of my BMW but I cant find any wholes in the fire wall. Do I have to drill a whole or is there already a whole.How Do you send a power cord through a 96 BMW 318ti Firewall?The BMW 318ti does not have any holes large enough to send a regular sized power chord through. BMW's were not typically designed for customization of this nature. You will have to drill a small hole (be VERY carefull where the drill comes out) to send a power wire through. Be sure to use a plastic or rubber tube with the right diameter according to the drill size to fill it in, so the wire does not fray. Glue the piece in and wait for it to dry before putting the wire through.



I went to Automotive Service school, and am familiar with this regarding many vehicles.How Do you send a power cord through a 96 BMW 318ti Firewall?look around sometimes there are rubber plugs that you can pull out or push a wire through. a couple places to try are with the harness that comes through the firewall to the PCM. another place Is quite a few cars have the option of being right or left hand drive. there may be somewhere to push the wire through there. if all else fails you may need to drill a hole. just make shure to run the wire through a grommet or at least a short piece of rubber hose so the wire does not wear through and short out. also. make shure your Positive wire for your amp has a fuse shortly after the battery and if you are running a big system to get a capacitor or you can damage your alternator and battery.How Do you send a power cord through a 96 BMW 318ti Firewall?There is only one way! You gotta drill buddy! Be sure not to destroy wires while drillingHow Do you send a power cord through a 96 BMW 318ti Firewall?
Drilll a hole if there isnt one and be sure to use a rubber grommet in the hole you drill so the edges of the hole dont rub through the wire and cause a short.