For sale, $12 shipped in the lower 48. Absolutely brand new. Elaplast brand, made in Germany.
Part # 64 21 8 391 252
Bought this when I rebuilt my cooling system, but it was the wrong one. Realoem.com says this one is for cars up to 4/1996, but mine is a 3/1996 and used the newer hose.
http://www.realoem.com/bmw/showparts...=64&fg=18&hl=7 My guess is if you have a 2/1996 and older car (M42 cars??) this will work, but check first. This is a hose near the firewall, but I don't remember exactly where it went. I think it interfaced with the heater core/heater valve somehow. When I rebuilt my system I replaced every hose under the hood.