I had a some sticking cam followers and wanted to change my vanos seal. So i stripped the cylinder head down and rebuild it. I also fitted a new crank case vent and cleaned the throttle body and air idle controle valve while i was doing the other work. Everything was going well until i had a spare plug that i can't seem to find where it goes. Here it is pictured below:
The plug has two cables going to it. The cable colours are white with orange traser and white.
Any help identifing this plug would be greatly appreciated!