battery in boot

[Niall]

I'd just pull it everything out of a bmw at the scrappy.
Wiring, fuse box in the boot and the terminal under the bonnet and wire it in to the 306.

This

Jump leads arnt designed to be used regularly and they are only a temp measure. Problem is the strands are a lot thinner to allow you to fold jump leads up but proper battery wire, the strands are a lot thicker because it doesn't get bent around.