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Re: 745i Removal of Lambda Control Box (archive)

[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]

Posted by Bob745 on June 24, 2001 at 18:03:52:

In Reply to: 745i Removal of Lambda Control Box posted by Todd Crossley on June 24, 2001 at 17:09:30:


1) Turbo fan and aux. fan are unrelated. Turbo fan timer gets its signal from temp sensor under #6 intake tube. See the site below for more on troubleshooting the turbo fan. Aux. fan is controlled by the two sensors on lower corner of radiator passenger side.

2) The brown/red wire goes to pin #13 of the Motronic as I said before.




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