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Subject: details what you should get as data
Author: shogun (moderator) : member since March, 2004 : 9287 posts
Posted on: 2008-06-10 00:10:28

That is the only website worldwide which has that. In German laguage

click on the left on Drosselklappen E32

You will see this:

Drosselklappen Spezifikation (E-Gas 750i E32)

Wie schon länger bekannt, geben die elektrischen Drosselklappen (E-Gas) beim 750i E32 nach ca. 200Tkm den Geist auf. Entweder geht der Steppermotor kaputt oder die eingebauten Potentiometer, mit denen der DK-Öffnungswinkel gemessen wird, liefern unplausible Werte. Da die Ersatzteile reichlich teuer sind (pro Drosselklappe ca. 1500,- ohne Einbau!), sollte man versuchen, vor dem Austausch vielleicht doch etwas selber zu richten. Man kann die Motoreinheit zerlegen, aber Vorsicht beim Auseinanderbau! Die Potentiometerschleifer sind hochempfindlich und sehr schnell verbogen. Mir hat damals bei der Reparatur die Original Drosselklappenspezifikation weitergeholfen, die Bosch mir freundlicherweise zugesandt hat: Schaltplan and Widerstandswerte E32 Drosselklappe.


Click on: Schaltplan = wiring data

and then on

Widerstandswerte E32 Drosselklappe = restance values of throttling valve

There are detailed info Tom got directly from Bosch! Translate that and then you have all the data you need.
No one else has this.

E32 750iL 11/88, E32 750iL Highline 03/90
7 series Tech tips http://tinyurl.com/3486c



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