Start up and idles few second then dies

[Duhla]

Hi guys

I got a bmw e30, fitted a 318i M10 motor.
Car start then revs starts to go up tgen cuts out.
I suppect air flow meter

Any help.
Been at it for 2 month now.

[superj]

Unplug the airflow meter. If you hold the throttle part open it ahould stay running with afm unplugged. Then you can make sure afm part number goes to ecu and engine you have and check afm for proper resistance.

The old m10 has a distributor, right?