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Thread: electr. rear sunblind drive toothed wheel, made of steel

  1. #1
    Join Date
    Jan 2005
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    Japan
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    My Cars
    11/88 E32 750iL+98 E36M3

    electr. rear sunblind drive toothed wheel, made of steel

    specially produced again to replace the weak original 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.

    Pics and DIY instructions http://www.bimmerboard.com/forums/posts/619738
    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, see here the 2 different versions http://i53.tinypic.com/1jrztz.jpg

    Shipped by SAL US$65.00 (usually takes about 2-3 weeks for example to the U.S., non-trackable, non-insured). Alternatively shipped by registred air parcel, faster delivery,, incl. insurance, plus $10.00. Optional enforcement bush as described below: $ 8/piece. Seller is not responsible for any import duties, taxes or whatever in the country of destination. In case of registered shipment I need besides the complete shipping address also the phone number to fill out the shipping documents. In case of SAL (Sea Air Land) I only need the complete shipping address. Paypal o.k. Please contact me by PM if any interest

    These drive gears were installed in following models E31, E34, E32 DRIVE 51461388215 , realoem Part Cross-reference, Part 51461388215 (DRIVE) was found on the following vehicles: E31, E32, E34 all Sedan models, including E34 M5

    Edit: additional upgrade possible from 04/2012:
    upon request I also can offer from now on as optional extra the bush for the guide pin for the smaller gear part in addition to the large toothed wheel in steel version. Here some pics of the set from various angles, both parts are special made
    http://tinypic.com/usermedia.php?uo=...FVuoh4l5k2TGxc
    http://tinypic.com/usermedia.php?uo=...8V1Ih4l5k2TGxc
    http://tinypic.com/usermedia.php?uo=...LyDIh4l5k2TGxc

    Reason:

    Another problem for damages of the gear is the bush for the guide pin for the smaller gear part, when that bush get's damaged, the gear parts (small and large)touch each other too much. Since more than 2 year some of my friends were testing this bush with good success together with the steel gear from me. the sunshade compl. http://i54.tinypic.com/1jx0u1.jpg damaged gear http://i55.tinypic.com/349c2oi.jpg caused by this damaged bush http://i56.tinypic.com/10xadd1.jpg
    http://i52.tinypic.com/qq629w.jpg repair, drill a larger hole into the housing with a 7.8 mm drill and them smoothen the hole with a 8H7 reamer http://i54.tinypic.com/f0z1uu.jpg production of the brass bush to replace the old one
    http://i54.tinypic.com/20a6wxk.jpg
    http://i53.tinypic.com/8zqhwm.jpg
    bush pressed in http://i56.tinypic.com/ogf780.jpg
    insert the old guide pin into the bush http://i55.tinypic.com/15ip02.jpg http://i53.tinypic.com/2mcssjl.jpg
    greased http://i53.tinypic.com/nd2bkl.jpg
    closed housing http://i54.tinypic.com/2e5ve47.jpg

    Here a video how to install, there you can also see that the gear was touching the housing because the pin was too lose, therefore the enforcement bush was installed and the gear does not touch the housing anymore http://www.youtube.com/watch?v=phvYM9uTdjg
    Some German language info on installation http://www.7-forum.com/forum/5/e-hec...au-222864.html Repair work is of course at your own risk and ability, if the hole is not drilled very accurate, your repair attempt might not work.
    Additional info: After the toothed wheel has been installed, lift the rear sunshade a bit by hand till the hex fits into the motor/gear drive unit. The control up/down is done by the control unit and is controlled by current increase , there is no limit switch. When the linkage is in the end position , the current increases and is then switched off by the control unit , at the same time is a timer running, e.g. when retracting the shade takes about 3 seconds , but the engine gets 5 sec power flow to completely retract even when the linkage is sometimes difficult to open/close caused by dirt, temperature changes and material expansion/retraction, hardened grease etc.

    German language instructions for the toothed wheel on E31 on Facebook with many pics https://www.facebook.com/media/set/?...7144517&type=1

    In case the motor only runs up or down but does not switch to reverse, usually the control module is defective, here the repair info http://www.7-forum.com/forum/24/elek...aet-95651.html
    in German language, use google translate or other translation software, anyway, the pics tell you all important info.

    pics, I have ONLY the HEX nut version, not the torx http://i53.tinypic.com/1jrztz.jpg http://i53.tinypic.com/2mcssjl.jpg http://i54.tinypic.com/2e5ve47.jpg
    and installation instructions http://www.e32-schrauber.de/bmw/date...er_zahnrad.pdf

    Same gear/motor as installed in our E32/E34/E31 is installed in Mercedes Benz W 124 and also the Audi cars of same production years.
    Info for Audi owners: This toothed wheel made of solid steel also fits for Audi gear p/n (4A0959733) to replace the weak original totthed wheel. Fits on the following cars (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)

    Here a good video instruction how to (language German) http://www.youtube.com/watch?v=phvYM9uTdjg
    Here a German installation info, just in case you need it http://www.e32-schrauber.de/bmw/date...er_zahnrad.pdf

    Fits for Audi gear p/n (4A0959733) to replace the weak original toothed wheel.
    Fits on the following cars (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)
    Last edited by shogun; 02-14-2018 at 01:47 AM.
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  2. #2
    Join Date
    Jun 2009
    Location
    Kongsberg, Norway
    Posts
    32
    My Cars
    '91 850i 6 speed
    Got the wheel after only 4 days. Most impressive for a packagage traveling around half the world.

    Thanks shogun (and the Postal Services involved)

  3. #3
    Join Date
    Jan 2005
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    Japan
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    11/88 E32 750iL+98 E36M3
    thanks for the feedback. Here a German installation info, just in case you need it
    http://www.e32-schrauber.de/bmw/date...er_zahnrad.pdf


    Info for Audi owners:

    This toothed wheel made of solid steel also fits for Audi gear p/n (4A0959733) to replace the weak original totthed wheel.

    Fits on the following cars (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)
    Last edited by shogun; 06-18-2012 at 12:11 PM.
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  4. #4
    Join Date
    Jan 2003
    Location
    USA
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    My Cars
    BMW M3

    Re

    E31 power sunshade is the same part number as E32/E34?

  5. #5
    Join Date
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    11/88 E32 750iL+98 E36M3
    yes, Sir, same drive = motor with gear, the sunshade of course has different dimensions
    drive 51461388215
    Part 51461388215 (Drive) was found on the following vehicles:
    E31: 840Ci Coupe,E31 840i Coupe,E31 850Ci Coupe,E31 850CSi Coupe
    E32: 735i Sedan,E32 735iL Sedan,E32 740i Sedan,E32 740iL Sedan,E32 750iL Sedan
    E34: E34 525i Sedan,E34 530i Sedan,E34 535i Sedan,E34 540i Sedan,E34 M5 3.6 Sedan

    the same drive was also used in older Audi and Benz of same production years as our BMW's, they have the same problems with these.In Europe this drive was also used till around 08/1996 in 7 series E38, but even found sometimes in 1998 model years.Apparently the stocked items were plenty. Later the part number was changed to another design
    Last edited by shogun; 09-24-2013 at 08:36 AM.
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  6. #6
    Join Date
    Jul 2010
    Location
    New Orleans, LA
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    654
    My Cars
    1994 BMW 525i
    I got my gear a few days ago and went to retrofit it into the shade. I got the shade from Germany and figured I might as well retrofit the stronger gear before the shade's gear broke. I opened up the shades motor and was surprised to find that my shade has a different gear. I haven't seen on like this before (in any picture anywhere). The shade is correct for an E34 though (part number on the sticker is 1944905 and it came out of a 94-95 E34 540i in Germany).

    Here is a picture of it alongside the normal gear.


    I'm going to keep the gear as I have a second shade from an E32 (from here in the US) that looks like it uses it. Have you ever seen a gear that looked like this? Even more baffling it looks like it is made out of metal. Did I just luck out and get some sort of later revision?

  7. #7
    Join Date
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    11/88 E32 750iL+98 E36M3
    You just had luck. That is the gear which was introduced after the old one made problems, in general from 02/1996 in the E38, and available as replacement for E34, E32 and E31 with conversion parts. But apparently they still had old stock for a long time and took what was available.
    Info in German from a technical info: Das Abtriebswellenzahnrad wurde 1996 auf Sintermetall und sternfoermige Nabenverzahnung umgestellt. Serieneinsatz: einfliessend ab 02/1996.

    = was introduced from 02/1996 with toothed wheel made of metal and torx from 02/1996


    Apparently they mixed up things in that times, some E38 from 1998 still have the old one (weaker one) and now you have one in newer version.
    Newer version
    http://i53.tinypic.com/2mcssjl.jpg
    http://i54.tinypic.com/2e5ve47.jpg

    old <>new
    http://i53.tinypic.com/1jrztz.jpg

    and the most confusing is, that even the part number of the replacement gear seems to be the same as the old one, although it is different wityh the torx, they just add as replacement some parts when you order it as spare gear, I have heard.
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  8. #8
    Join Date
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    11/88 E32 750iL+98 E36M3
    @Tron5

    1 toothed wheel for your 95 E34 525TDS was sent to Torshavn, Faroe Islands
    thanks

    I also can offer from now on as optional extra the bush for the guide pin for the smaller gear part in addition to the large toothed wheel in steel version.
    http://tinypic.com/usermedia.php?uo=...FVuoh4l5k2TGxc
    http://tinypic.com/usermedia.php?uo=...8V1Ih4l5k2TGxc
    http://tinypic.com/usermedia.php?uo=...8V1Ih4l5k2TGxc

    how the bush is used

    another problem for damages is the bush for the guide pin for the smaller gear part, when that bush get's damaged, the gears touch each other too much.

    the sunshade compl.
    http://i54.tinypic.com/1jx0u1.jpg
    damaged gear
    http://i55.tinypic.com/349c2oi.jpg
    caused by this damaged bush
    http://i56.tinypic.com/10xadd1.jpg
    http://i52.tinypic.com/qq629w.jpg
    repair, drill a larger hole into the housing with a 7.8 mm drilland them smoothen the hole with a 8H7 reamer
    http://i54.tinypic.com/f0z1uu.jpg
    production of the brass bush to replace the old one
    http://i54.tinypic.com/20a6wxk.jpg
    http://i53.tinypic.com/8zqhwm.jpg
    bush pressed in
    http://i56.tinypic.com/ogf780.jpg
    insert the old guide pin into the bush
    http://i55.tinypic.com/15ip02.jpg
    http://i53.tinypic.com/2mcssjl.jpg
    greased http://i53.tinypic.com/nd2bkl.jpg
    closed housing http://i54.tinypic.com/2e5ve47.jpg
    bushes look like this, some semi finished
    http://i54.tinypic.com/fyzux0.jpg


    Steel gear toothed wheel with hexagon nut I have available ex stock at the moment, also the new bushes.
    Last edited by shogun; 04-11-2012 at 07:35 PM.
    SHOGUN'S TRICKS AND TIPS FOR THE SEVEN SERIES
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  9. #9
    Join Date
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    11/88 E32 750iL+98 E36M3
    @Wokke: 1 toothed wheel has been sent to Kaarst/Duesseldorf, Germany
    German instruction for the E31 8 series, 21 pics
    http://www.3d-atelier.com/11bmw/Heckrollo-01von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-02von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-03von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-04von21.jpg
    http://www.3d-atelier.com/11bmw/Heckrollo-05von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-06von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-07von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-08von21.jpg
    http://www.3d-atelier.com/11bmw/Heckrollo-09von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-10von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-11von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-12von21.jpg
    http://www.3d-atelier.com/11bmw/Heckrollo-13von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-14von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-15von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-16von21.jpg
    http://www.3d-atelier.com/11bmw/Heckrollo-17von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-18von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-19von21.jpg http://www.3d-atelier.com/11bmw/Heckrollo-20von21.jpg
    http://www.3d-atelier.com/11bmw/Heckrollo-21von21.jpg

    Note that I only have the version with the hexagon nut, not with the torx. The one with the torx was introduced from around 09/1996 in the E38, but it looks they mixed up the stock there, as the old ones were found also in E38 from 1998 sometimes. http://i53.tinypic.com/1jrztz.jpg http://i53.tinypic.com/2mcssjl.jpg http://i54.tinypic.com/2e5ve47.jpg

    Also fits: Mercedes Benz W124 and some other models , Audi 100/S4 (4A, C4) 1991 up to 1994, Audi A6/S6/S6plus (4A, C4) 1994 up to 1997, Audi V8 (4C, D11) 1989 up to 1994, Audi A8/S8 (4D, D2) 1994 up to 1999
    Please check before ordering, I have only the version with HEX bolt, not the torx version, see here the difference http://tinypic.com/view.php?pic=1jrztz&s=7#.VtPgfOlumUk
    Torx version was introduced around 1996/7 >, but hex version has been found even on some 1998 E38, seems they had a lot of stock of the hex version in these days.

    @Singing6: 1 toothed wheel + 1 enforcement bush for E34 shipped to Vienna, VA
    @Jan: 1 x toothed rim and enforcement bush for electric rear sunshade for your 7/1993 Mercedes Benz W124 shipped to Grossau, Austria
    Last edited by shogun; 08-26-2018 at 10:58 AM.
    SHOGUN'S TRICKS AND TIPS FOR THE SEVEN SERIES
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  10. #10
    Join Date
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    11/88 E32 750iL+98 E36M3
    @Farid: 1 toothed wheel for Mercedes Benz W124 shipped to Hamburg, GER
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