Guys, the other day my upper radiator hose broke, and it was a mess. got the hose replace and the thermostact also, after that I'm getting the engine light service, check the code and is 122D or 1223 according to BMW Carsoft, which is the coolant temperature sensor. where is this located and if they did something wrong when they installed the parts, is for a 540i 03 4.4L V8, thanks