there are two in mine, but the battery in my car is in the engine compartment.
this is the 80A link before/after
http://www.bimmernut.com/forum/attac...1&d=1226604570
http://www.bimmernut.com/forum/attac...1&d=1227212888
there is a 50A one under my rear seat, near where the battery is on most cars. looks the same except the wire leading to it is red.
there is also the power link in the plastic box maybe needs a look. i'll have photos of that fix later today...
edit- here ya go... kriss, if i can find it, you can find it! :D
the link is underneath the heatwrap on the red cable.
http://www.bimmernut.com/forum/attac...1&d=1227370077http://www.bimmernut.com/forum/attac...1&d=1227370077