help a friend, injection iddle valve

hi, a friend owns a 1975 CSI e9, the workshop says the ijection iddle valve is dead

we have tried to find a replacement in europe, and it is impossible

a friend of mine that has been helping us finding the part says that:

"I'm) sorry but I can't get the injection idle valve for D-Jetronic. I could get one for the later L-Jetronic but I have no idea if it works...."

so here is the question for the Injection experts, can we use a L-jetronic iddle valve in a 1975 D-jetronic car ?

thank you

are you referring to the cold start air slide ?

exactly, cold start air slide

Those are rebuildable

we will try to rebuild,, but anyway, do you know if the L-jetronic one can be used in the D-jetronic system ?
thanks

deQuincey said:

we will try to rebuild,, but anyway, do you know if the L-jetronic one can be used in the D-jetronic system ?
thanks

Click to expand...

This Bosch part number may be helpful: 0 280 140 018

And this Bosch link has a comprehensive list of other vehicles with auxiliary air valves. Unfortunately, the fact that they use so many different numbers suggests that each valve may be different. How much so, remains to be seen.:
http://art.rexbo.net/bosch/pdf/0280140003si0000cob200.pdf

http://www.e9coupe.com/forum/showthread.php?t=6525

You may find this page instructional regarding the rebuilding of an auxiliary air valve. Yes, it is for a different version of the valve, but the concept is the same. http://www.benzworld.org/forums/r-c...mprehensive-illustrated-djet-72-75-350-a.html

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Some E3, E9, E12, and E24 use part no. 11611255284. http://www.realoem.com/bmw/partxref....r=on&details=1 As you note, other models show a different part number (Part No. 11611263200). Recollect hearing that the parts may look externally identical; however, they may be internally different, to the extent that they have different temperature parameters (may fully open or close at different temperatures). I can't recall ever having confirmed this, or establishing what the operational differences might be, although years ago I tested several and found each closed at varying temperatures (somewhere between 165 and 185 degrees F). No idea what the practical impact would be on an engine that reaches operating temperature quickly. http://www.realoem.com/bmw/partxref....r=on&details=1

Wow! I tried this but with no luck. Afterwards when I got another one, I cut the stucked one into two pieces. Seems like the aluminum pieces was like melded due to age.