BMW 3 Series Forum - Technical Talk on the BMW E21
I drive E90 320i engine N46 110kw, 225t kms. Sometimes I have rough idle for 10-15 secs after cold start OR engine dies after 3-5 secs after start. No other problems, mileage is ok, drives fine. I did a lot of work on engine:
- 8t kms ago sparks, cleaned KN air filter, engine flush + new...