If the temp is stuck on -37, the temp sensor in the driver's side brake duct is bad, broken, or missing. There is a DIY on fixing the buttons. Either on this forum or www.bimmerforums.com
. No car is perfect. Especially one that is 12 years old. BMW's take more maintainance than some, and not everyone maintains them properly. That is why you should inspect and check any used car thoroughly before you buy.
1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.