Cold Start Valve: BMW
- With ignition switch "OFF", disconnect electrical connector from cold start valve. Release pressure from fuel system and remove cold start valve with fuel lines connected.
- Place container under cold start valve. Disconnect air flow meter connector and connect jumper wire between terminals 36 and 39. Connect another jumper wire between cold start relay terminals 87 and 30. Turn ignition switch "ON". Cold start valve should spray fuel. If not, replace cold start valve.
NOTE:
On 528i, connect lead 61 1 440 to cold start valve, then connect terminal "B" + to ground after jumping air flow connector.