Reconstructed floor pans - yellow is where the metal was completely gone, orange where it was almost gone. The passenger side was about the same.

Below are the new front brakes - 320i hubs, and rotors, Volvo Girling four piston calipers, Porterfield carbon-kevlar pads.

To the left, the new spare tub welded in. Bits from 2002 AD, a good source for unrusted sheet metal.