Not sure what this is.... Pics included

[whysimon]

Hello,

I'm about to embark on my emissions tomorrow and I wanted to know what this part is. I also wanted to know what hooks up to my two open ports on my throttle body.

Thanks,

[samiam3356]

The first 2 pics are for the coolant to flow to and from the throttle body. The last is the switch for the Charcoal canister. (Emissions)

[whysimon]

okay, wonderful news. in the last pic which is emissions obviously one end hooks into the charcoal canister, but where does the other end connect too? If someone has a link I'll gladly research.

[whysimon]

http://www.realoem.com/bmw/showparts.do?model=BF31&mospid=47430&btnr=13_0372&hg=13&fg=15

from looking @ this it looks like #3 hooks into the throttle body on the far right (covered by black nipple in pic #2)

[samiam3356]

Yes its covered in your pic. The line would run to the switch, then to the cannister, to the very top line by the the two fuel lines.

And no you don't have to run the coolant lines to the tb. Depending on the climate you may or may not. Care.