I'm working on a 0(7/99) BMW Z3 badged as a 2.3L. The scan data is showing "Water Outlet Temp" at -48C. This data item is directly under "Coolant Temp" in the datastream (Baum iScan) It's in for MIL on and codes 227 and 228 lambda control. I found the torn air... Login to read more.