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Center Support Bearing part # for 90Q?

Can anyone verify that #26121209532 (BMW) is the right one for an '88 90Q?
I have the one from Blau for $159 and the one from TPC for $29. They look
similar, but the brackets are a little different.  The bracket on the Blau
one is flat with a small hump from the center donut.  The TPC bracket is
not flat and looks like a flattened "w" with the center being the donut
hump.  We're talking maybe half a centimeter difference between the 2.
Doesn't it matter.  We're talking $130 difference.  Center bushing and
rubber donut are the same.  The one from TPC doesn't have "BMW" on the
black donut, but the center bushings are the same (INA, 6006RS).

On Mon, 26 Oct 1998 C1J1Miller@aol.com wrote:

> Al:  here's my personal archives; no BTDT, so don't know which fit the 80.
> I'd assume the first post (90) would fit; there's also a number for a 5000
> courtesy of Igor Kessel; Mark Nelson says father can source everything needed;
> and I've included an old post about a place in Colorado as well.  Then there's
> Blau, who can reportedly rebuild certain car's driveshafts.
> HTH, Chris Miller, Windham NH, c1j1miller@aol.com
> http://members.aol.com/c1j1miller/index.html
> =========================
> To: Doyt
> From: dlawson@digitalglobe.com
> Date: 6 Dec 96 18:54:14 -0500
> Subject: Re: quattro center diff lock actuator ...
> Well folks, about a month after my poor baby broke it is all together
> again.  With the help of Steve B. Bruce B. and Graydon S. my 90Q is running
> again with about $50 dollars  of parts.  I rebuilt my center drive-shaft
> (carrier bearing and u-joint only).  The bearing was gotten through GPR and
> is BMW part# 26121209532. It is the bearing including the rubber surround
> and the mounting bracket as one piece, total cost $35.  
> I successfully removed the bolt which holds the yoke to the foreshaft with
> a 17mm box end(this required removing the zerk grease fitting from u-joint)
> but found it too difficult to get the yoke off(no way to
> press/pry/hammer/pull etc.). With Graydon's help I took apart the u-joint
> and discovered it to be fairly "trashed" and stiff.  The only u-joint I
> could find locally was a non-greasable unit made by Borg-Warner($15). If
> anyone has a part # for a greasable u-joint please let me know for future
> reference.  After re-assembling everything I cleaned out the CV's,
> regreased them and installed on the car. I sort of assumed that the
> drive-shaft would self-align and it did!  The car runs great. All in all it
> was a simple procedure, just a pain to get the necessary parts.
> Brendan Rudack           rudack@ucsub.Colorado.EDU '88 90Q
> rudack@ucsub.Colorado.EDU Fenton, Michigan USA
> =============================
> Subject: RE: The centre support bearing for a type-44 quattro found
> Igor said:
> I stopped by a local M-B dealer and matched up the bearing and the
> rubber cap against the M-B parts. Below are the long awaited part
> numbers:
> Both parts are from a 240D or 300D, chassis # 123:
> Bearing: 0039812325
> Rubber cap: 1234101081
> =============
> The prop shaft they're referring to, is the center driveline.  What
> happens is the U-joint in the center, as well as the rubber mount, with a
> bearing in the center, tend to wear out, causing quite a bit of slop in the
> drivetrain.  The CJ joints on the ends seem to hold up pretty well, but it's
> a good idea to have those replaced at the same time.  I have access to all
> the parts necessary to rebuild these shafts (not just the u-joint, like
> Blau), so let me know off-line if you're in need of a complete rebuild of
> the driveline.
> For more information on all your driveshaft needs, send
> mailto:jnelson@cwixmail.com
> cya!
> - -mark nelson
> mailto:tahoe@msn.com
> http://www.quattrosport.com
> ===============
> Date: Tue, 8 Jul 1997 11:42:42 -0600 (MDT)
> From: pacdev@csn.net
> Subject: Axles-Driveshafts-Steering Racks
> Just found Valhalla!
> In rebuilding my TQC drive shaft I found a rebuilder in Denver who thinks 
> Service is the next best word after Cleanliness. 
> I called asking for help in a possible rebuild of the CV for the drive shaft
> and 
> they suggested I take it in since many of the parts are common items. 
> Would you believe that they said "stick around we'll rebuild it while your
> here. 
> Save you a trip back." Twenty minutes later I get a rebuilt CV with new
> carrier 
> rack, polished races, and new bearing balls! The cost was very reasonable.
> WOuld 
> you believe $26.83.
> While waiting, I had the opportunity to watch them in action. The place is 
> spotless. Return racks have galvanized pans to catch errant leaks. They
> actually 
> routinely disassemble their stock shelves to eliminate dust.
> So.... I asked Angela, their brain trust, if they could hancle ship-ins. It 
> turns out they have a thriving market in semi-custom rebuilds. She's willing
> to 
> deal with this group if we are polite.
> Many of their UPS rebuilds are on a three hour turn around time. I believe
> that 
> she can give you a good estimate on the expect time to ship back right over
> the 
> phone.
> Because of the potential volume from the Q-List she is willing to quote us 
> jobber prices. This is only on ship-ins for rebuilds. An example would be the 
> 4000Q rear axles. Her retail is $198/ea. Our Q-List price would be $119 plus 
> shipping.
> They also rebuild Steering racks! Same discounts will apply.
> I admit that this was the first time I used this group but I can tell you that
> I 
> was very much impressed.
> Give Angela Sandoval a call at 800-292-2953. Watching her juggle two lines and
> a 
> bustling counter business was great. If the rest of the shop works as
> eficiently 
> as she does we won't be disappointed.
> Remember that you will have to indicate that your a Q-lister to get a jobber 
> price.
> Usual disclaimers as to advertising etc. etc. Just expanding our resources.
> Cheers
> Paul A. Caouette
> ===============
> here's Al's post...
> I was just on the phone with Bob at European Motor Cars in fort Collins, CO
> (recommended to me by some Quattro members). 
> Bob has a request for help from this group - his own 1990 80Q is down
> because the U-joint in the driveshaft (center part of the car) is shot, and
> Audi will only sell him a complete driveshaft.  His only other source won't
> share a part # with him!   So he's really looking for a source for that
> center U-joint..he knows they're out there, but he can't get a part number.
> Bob got a computer recently and is almost - but not quite - ready to join
> the Q-group himself (I may drop in and help...) and he would be most
> grateful if any of the group would either phone him with a part number at
> 970/484-0040, **OR** email me back and I'll pass the info along to him.
> I'm REALLY behind on checking digests - so please respond directly if you
> can help.
> Thanks!
> ++++++++++++++++++++++++++++++++++++++++++++
> Al Powell

Nathan Belo
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