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Thread: FS: Steel toothed wheel + enforcement bush for electric rear sunshade

  1. #1
    Join Date
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    11/88 E32 750iL+98 E36M3

    FS: Steel toothed wheel + enforcement bush for electric rear sunshade

    Pics: http://www.bimmerboard.com/members/s...l/Zahnrad3.jpg
    enforcement bush https://postimg.cc/KKdFPB58
    Details about installation etc here: http://www.bimmerforums.com/forum/sh...-made-of-steel
    Made to replace the weak original "plastic" toothed wheel which usually loses the teeth over the years and then the rear sunblind starts to rattle and is often inoperatable. That is the large one of the 2 inside the gear. Used in all E32, E34, E31 and even E38 till 1996 for sure, even some till 1998, also some Benz and Audi 5000 models.
    Note: I can only deliver the toothed wheel in version with HEX bolt, not the torx version, which was introduced from 1996 on in E38 and others (no definitive clear cut of change known as even in some 1998 models the hex version was used, so please check your rear sunshade motor).
    Shipped by SAL from Japan US$65.00 (usually takes about 2-3 weeks for example to the U.S., non-trackable, non-insured). Alternatively shipped by registered air parcel, plus $10.00. Optional enforcement bush $ 8/piece.
    Please contact me by PM with complete shipping address and requested shipping method and I will let you know my Paypal details.

    Hint to extend the life of your original gear: disassemble it, remove all the old hardened grease and fill it with new grease and make sure that also the mechanical parts of the sunshade system are well greased and run smooth.
    some more install/repair pics
    http://www.bimmerboard.com/forums/posts/266991
    http://www.bimmerboard.com/forums/posts/267190
    http://www.bimmerboard.com/forums/posts/267248
    Last edited by shogun; 09-06-2019 at 07:01 PM.
    Shogun tricks and tips for the E32 series are HERE!

  2. #2
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    850iA - 1990
    Just got them.

    Thanks Erich !!!

  3. #3
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    Just did this myself with the new gear and brass bushing. You do need to be fairly exact when drilling out the hole for the bushing.

    I found my motor was still having issues getting the blind past the 2/3 point, so I took it out, loosened and refit the aluminum bars, lightly greased the rails and it moved much more freely then. Mine had been broken for quite some time even from the previous owner so it probably seized up slightly.

  4. #4
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    BMW 850I 1991
    Thank you Shogun for your fast delivery !
    Item is...on the electric rear sunshade mecanism, the electric rear sunshade is on the 850i and after some ajustements, it works...perfectly !
    Reunion Island is a little paradise with five or six 850 ! :-)

  5. #5
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    850iA - 1990
    Have received mine today.

    Regards

  6. #6
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    1992 BMW 850i
    Many thanks toothed wheel and bush arrived safely, much appreciated.
    Kind Regards,
    Barry

  7. #7
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    1992 BMW 850ia
    Yes, thank you. It was a fast delivery about a week from Japan to Sweden.

  8. #8
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    Quote Originally Posted by shogun View Post
    @Rainer: 1 steel toothed wheel for the electric sunshade in your Mercedes Benz W 124 500E (same gear/motor unit as in our BMW) shipped to Lohne, Germany
    Shogun, any idea if the wheel fits the sunshade from an 03 Audi S8? I have to diagnose a recent issue with my sunblind but just in case I wanted to ask.
    CB42366 - 1991 850i 6-speed. Brilliantrot & Black Nappa Leather
    CD00144 - 1994 850CSi. Hellrot & Black Nappa Leather


    My other projects:
    Supercharged Tbirds, V8 Tbirds, V8 Mustang Convertible, Audi V8 Quattro & Audi S8

  9. #9
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    To be sure, you will have to check and disassemble what is inside the gear. 2003 Audi is probably the newer version, which I do not have. Audi, Mercedes Benz of similar built years like our E31, E32, E34 and some early E38 had the same gear and motor maker. BMW changed to the other version gradually from around 1996 with the E38, but even sonetimes E38 from 1998 have the older version like in E31. I can only deliver the toothed wheel in version with HEX bolt, not the torx version, which was introduced from 1996 on in E38 and others. It is not only a difference of torx or hex bolt, also the teeth angle is different.
    I was told my steel version fits for Audi gear p/n (4A0959733) to replace the weak original toothed wheel such as for example (European type mentioned, please check the type description in your country)
    Audi 100/S4 (4A, C4) (1991 bis/till 1994)
    Audi A6/S6/S6plus (4A, C4) (1994 bis/till 1997)
    Audi V8 (4C, D11) (1989 bis/till 1994)
    Audi A8/S8 (4D, D2) (1994 bis/till 1999)
    Audi quattro
    Last edited by shogun; 10-30-2019 at 10:48 AM.
    Shogun tricks and tips for the E32 series are HERE!

  10. #10
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    I recall the post where it was confirmed that the Audi D2 sunshade used your gear. This car although 2003 is still considered a D2...but I will have to confirm. If I pull the sunshade to fix my problem I have the gear I bought from you to confirm fitment. I have both the audi v8 and S8 so I was planning on buying some more gears from you at some point .
    CB42366 - 1991 850i 6-speed. Brilliantrot & Black Nappa Leather
    CD00144 - 1994 850CSi. Hellrot & Black Nappa Leather


    My other projects:
    Supercharged Tbirds, V8 Tbirds, V8 Mustang Convertible, Audi V8 Quattro & Audi S8

  11. #11
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    11/88 E32 750iL+98 E36M3
    Let me know your findings, as I can only check the internet and do not have the real Audi, VW or Benz parts at hand, so I only supply to those people and often they just order and do not tell me the exact model, just word of mouth in their forums that my toothed wheel fits. I checked with Audi p/n above and audiusa website mentions: MOTOR #: 4A0959733 $ 321.30: fits 15 vehicle variants: 2 models, 15 variants between 1998 - 2003. Audi A8 3.7L FWD Base 1998/99, Audi A8 4.2L AWD Base Quattro 199/9, Audi A8 Base Quattro 2000/1/2/3, Audi A8 L Quattro 2000/1/2/3, 2003, Audi S8 Base 2001/2/3. http://www.oemepc.com/audi/part_sing...9015/part_id/0
    German spec: VW Sonnenschutzrollomotor #: 4A0 959 733 respect. 4A0959733, fits for: AUDI 100 (C4) 1991 >1994, AUDI A6 (4A) 1995 >1997, AUDI A8 (4D) 1994 > 2002, AUDI A8 (4E) ab 2002 > 2003, AUDI V8 (4C) ab 1989 >1994.
    Shogun tricks and tips for the E32 series are HERE!

  12. #12
    dancerst's Avatar
    dancerst is offline life is a dance... BMW CCA Member
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    Everything is installed and working perfectly!
    Thanks again for quality parts.

  13. #13
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    some Q&A copied and merged:
    Q Shogun, is that part for the Elec or manual rear sunshade ? I have the manual shade on my '90 750il and a couple years ago I pulled mine up and it stayed out and will not retract ! kind of a mess actually....Jay

    A The steel toothed wheel is for the electric gear/motor unit of the rear sunshade. In case of a manual gear you have to remove the sunshade and check the spring inside. There is a DIY info on my website under fixes>>blinds>>"Rear side window quartershade will not retract fully". You have to 'rewind' the spring. Same procedure for the rear, rewind the spring. http://www.7-forum.com/forum/showthr...?t=95464&page=
    -------------
    Q: Mine works, however it,when lowering, it makes a grinding noise for a few seconds after shade is all the way down, however it doesn't do it when going up. Will the parts you're selling repair that?
    A: The motor control unit of the sunshade works by increased amps with a delay to stop and most probably you hear it grinding because some teeth are gone and the motor is still trying to move the shade down, because there is a delay time to switch off.
    But to be sure, open the gear up and check the toothed wheel. Wiring diagram of the control from E32 http://www.e32-schrauber.de/bmw/date...nshade_mod.jpg http://www.e32-schrauber.de/bmw/date...img0368mod.jpg
    -----------------------------------
    Q: Hi Shogun, any chance you could reply to my thread and LMK if you think I need a new steel wheel for the electric blind or if my blind itself is the problem? http://www.bimmerforums.com/forum/sh...light=sunblind

    A: Might be just a matter of bent frame of the blind or lose screws, or old hard grease. I replied there too, here the most important from a Technical Service Info to the workshops on that subject, translate that:
    Technische Info VK-23 Pollatschek Group: 51 511642000 02.05.97 Sonnenschutzrollo der Heckscheibe defekt E31, E32, E34, E36, E38, E39 Beanstandung: Elektrisches Heckscheiben-Sonnenschutzrollo ohne Funktion.
    Ursache: Getriebezahnrad im Sonnenschutzrollo-Antrieb beschaedigt beziehungsweise Lagertoleranzen im Antriebsmotor
    Maßnahme:
    1. Pruefen, ob das Gestaenge in einwandfreiem Zustand (nicht verbogen) ist. Achtung: Der Antrieb darf nicht (!) betrieben werden, solange er nicht komplett mit dem System verbunden ist.
    2. Bei verbogenem Gestaenge kann derzeit nur die gesamte Einheit ersetzt werden.
    3. Bei einwandfreiem Gestaenge ist nur der Antrieb zu ersetzen. Wichtig: Beim Antriebswechsel unbedingt die Einstellung der Zugstangen beachten beziehungsweise wie folgt einstellen:
    - Lager an den Zugstangen durch neue Lager ersetzen.
    - Antrieb auf Motorplatte auflegen und mit 3 Schrauben ansetzen - nicht festziehen!
    - Antriebsscheibe mit Zugstangen auf Antrieb auflegen.
    - Auszugsprofil von Hand herausziehen, bis die Verzahnung der Antriebsscheibe im Abtriebsstern des Antriebs einrastet.
    - Antriebsscheibe am Antrieb festschrauben.
    - Spannungsversorgung herstellen und Rollo ganz ausfahren.
    - Im ausgefahrenen Zustand die 3 Schrauben an der Motorplatte festziehen.
    - Pruefen, ob die Hebelarme gleichmaessig einfahren. Die ersten 10 cm besonders beachten.
    - Gegebenenfalls die 3 Schrauben loesen und Antrieb nachjustieren. Zum Beispiel linker Hebelarm faehrt frueher los - Antrieb nach rechts schieben, rechter Hebelarm faehrt frueher los - Antrieb nach links schieben.
    - Die 3 Schrauben am Antrieb festziehen.
    - Nochmals pruefen, ob die Hebelarme gleichmaessig einfahren

    google translated: Technical info VK-23 Pollatschek Group: 51 511642000 02.05.97 Sunscreen roller blind of the rear window defective E31, E32, E34, E36, E38, E39 Complaint: Electric rear window sunblind without function.
    Cause: Transmission gear wheel in sunblind drive damaged or bearing tolerances in the drive motor
    Measure:
    1. Check if the rod is in perfect condition (not bent). Attention: The drive must not (!) Be operated unless it is completely connected to the system.
    2. With bent bars, only the entire unit can currently be replaced.
    3. In the case of faultless pushrod only the drive has to be replaced. Important: When changing the drive, be sure to observe the adjustment of the tie rods or set as follows:
    - Replace bearings at the tie rods with new bearings.
    - Place drive on motor plate and fix with 3 screws - do not tighten!
    - Place the drive pulley with tension rods on the drive.
    - Pull out the pull-out profile by hand until the toothing of the drive disc engages in the output stator of the drive.
    - Tighten the drive disc to the drive.
    - Make the power supply and extend the roller blind completely.
    - When extended, tighten the 3 screws on the motor plate.
    - Check whether the lever arms retract evenly. Pay special attention to the first 10 cm.
    - If necessary, loosen the 3 screws and readjust the drive. For example, left lever arm starts earlier - push drive to the right, right lever arm starts moving earlier - push drive to the left.
    - Tighten the 3 screws on the drive.
    - Check again whether the lever arms retract evenly
    ----------------------------------
    Q: Shogun, considering your gear and bush, there is something wrong with this sun blind, ( Won't go up or down) it really look good inside gear housing, the worm spins fine so that's good.i tryed turning that lil brown wheel its seem tight but who knows, anyway do you have the small brown gear? Too my large wheel is made of metal, I do see a small area like 5 spline with lil twist.thats in advance

    A: Maybe the control unit is the problem. See here the ETM section http://www.e32-schrauber.de/bmw/date...nshade_mod.jpg and some info in German language http://www.e32-schrauber.de/bmw/s-heckrollo.htm
    The small brown gear I do not have, only the large one with hex nut. For the small one there is almost no demand, maybe once a year someone is asking.
    ---------------------------------------
    Q: Do you have a sunblind control unit #61351382995 or 61311382995?
    A: Sorry, do not have a control unit, just the toothed wheel and bushes. there is a German site, he repaired the control unit DIY, translate this http://www.e32-schrauber.de/bmw/s-heckrollo.htm sunshade goes only one way, cold soldering joint
    Elektrisches Sonnenrollo geht nur in einer Richtung - Steuergeraet
    Sollte bei dem elektrisch betriebenen Sonnenrollo an der Heckscheibe einmal der Fehler auftauchen, dass das Rollo sich nur noch in einer Richtung bewegen laesst, kann das an dem Steuergeraet liegen. An dem Steuergeraet befinden sich zwei Buchsen; einmal fuer den Motor (PIN 1 und 2) und einmal fuer die Spannungsversorgung (PIN 5) und die Steuerimpulse 12 Volt (PIN 1 und 2). PIN 3 ist Masse. Das Steuergeraet enthaelt zwei Hochlastrelais zum Umpolen der Motorspannung. Dadurch laeuft der Motor sowohl links als auch rechtsherum. Abgeschaltet wird der Motor ueber eine vorgegebene Zeit. Der Fehler bei dem entsprechenden Modul war, dass es zwar auf, aber nicht mehr zu fuhr. Eines der Relais hatte eine kalte Loetstelle. Die Loestelle von dem Schutzlack befreien und sauber nachloeten. Zum Testen kann man anstelle des Motors auch eine 10 Watt Birne mit Pruefklemmen anschliessen.

    Ich habe mal versucht, das Geheimnis der Relais-Nummer zu entschluesseln:
    Hersteller: Siemens / Tyco
    Beispiel : V23072-C1059-A203
    V23072 = Typ
    A = offen
    C = geschlossen
    1059 = Spannung min 6 Volt, Betrieb 12 Volt
    1061 = Spannung min 7 Volt, Betrieb 12 Volt
    A2 = ?
    A3 = AgNiO15
    A4 = AgSnO2
    02 = Form A (1x Schliesser)
    03 = Form C (1x UM)
    Last edited by shogun; 10-24-2020 at 07:01 PM.
    Shogun tricks and tips for the E32 series are HERE!

  14. #14
    Join Date
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    11/88 E32 750iL+98 E36M3
    Repair links
    https://www.youtube.com/watch?v=phvYM9uTdjg
    https://www.facebook.com/media/set/?...29201817144517
    here a German site with many links for the repair, some links in English, also how to repair the control module for the sunblind, copy the text and translate http://www.e32-schrauber.de/bmw/s-heckrollo.htm

    all toothed wheels sold, only a few enforcement bushes on stock.
    Last edited by shogun; 11-08-2020 at 05:26 AM.
    Shogun tricks and tips for the E32 series are HERE!

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