Hi. My car is 1991 E34 M50B20 non vanos. I placed the M52b20 engine and electrical wiring. I bought the engine and electrical wiring from 1995 MODEL E36. Ews no problem. C101 and x20 connection is normal. Engine running. No problem. But abs warn and air conditioning does not work. And the temperature gauge does not work. I found a solution for the temperature gauge. But abs and air conditioning still don't work. What should I do. I would really appreciate if you can help. I bad english sorry