FWIW - if you're loving this forum after lurking for a few days, you might have what it takes for older BMW ownership.
Try to find a private party sale, not flipper dealer. Could be tough with a touring, though.
Re your HP question -- everything I've read says the 525 wagons are underpowered. But have never driven one.
I LIKE OLDER BMWS, PLEASE HELP ME
Fern Green 99 M3
, Conforti Shark Software, Conforti CAI, Dinan Exhaust. Stamped LTWs, 235x40 square, OEM Hella heads, ///M
Pedal Kit, Clear Corners, OEM Rear Spoiler, CD43 stereo. MRegistry listing here
Le Mans 2002 M5
, Black/Titanium, Rogue SSK, Dinan exhaust, PSS9 coilovers, Euro rotors, iPod integration. MRegistry listing here