Hello guys. I am from Istanbul, Turkey. I have a e34 525tds touring. I have a to much problems in this m51d25 engine. First, high tempature and engine crack. So we welded this. After that it lighted enjection lamb in indicator. I went a bosch diesel service and they deal so much and then they said the problem is the chip. I very bored it and spend money to much. So i wanna swap m57d30 engine this car but my car is automatic what ı need to this engine replace?