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Hello all, I'm after a little help with my motronic conversion. I have removed the injection from an e34 525i m20 and installed it on my standard 323i m20 which had the k jetronic on it. Well the problem is I started this about 9months ago and before I had finished it a few other dramas turned up and wasn't able to finish it until recently, anyway all the wiring is done and the car runs but I cant remember what connects to the large outlet on the side of the throttle body. It is the large tube which faces the front of the car. I have currently plugged the tube but I would rather connect it to the correct spot. I did take a few photos when removing the injection but none that clearly show what goes where. Anyway thanks in advance hope someone can help.

Also any ideas on what others have done with running the throttle cable?

Idle control valve I'd say...

Thanks Jeroen, but I do have the idle control valve, the actual tube is directly under the piping for the icv hence the reason I cant tell from the photos as it is hidden a bit by the icv. The tube that sticks out in approx 8mm in diameter. Thanks again for the quick reply

It'll be the pipe which goes to the rocker cover. Oil Breather I think?

Ben

Sounds like it then, the one below?

That's a possibility I'll check it out tonight, thanks.

Yes!! that was the one it made sense as so as I saw it, can't believe I couldn't work it out. Thanks gotta love this forum!

And it isn't even an E21 issue lol