can you identify these parts? aspiration 1985 520i -E28

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jom - 08 May 2006 10:45 GMT

http://www.jom.com.au/5F_1_car_enquiry.html

have a peek at the pic on this page
see if you know what it is...
I know it's a vacuum thingy, but what does it do?
how should I figure out how to adjust it?

actually I once mistakenly thought it would control the idle speed but
it ain't that simple, and she idles a little wobbly (always has)

Basically I'm just trying to get this old girl to idle a bit smoother
she is idling at 800 rpm, which is the recommended speed
new plugs, new leads, air filter ok

it's a 1985 520i L-Jetronic E28 FUEL INJECTED

PART 1:
PART 2:
PART 3:
PART 4:

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Josh Assing - 08 May 2006 16:08 GMT

Looks like it's all part of the throttle control.
The part A looks like a vacuum control for idle/emissions or cruise control (or
both)
not really clear what B is referncing; but possible a breather hose from the
crank case
C is part of the throttle
D houses the throttle butterfly.

>http://www.jom.com.au/5F_1_car_enquiry.html
>
[quoted text clipped - 16 lines]
>PART 3:
>PART 4:

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