94 325i Probably a Guibo/Centre Bearing or Tranny Mount Problem - Bimmerfest - BMW Forums



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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 11-06-2016, 03:53 PM
Garogyle7 Garogyle7 is offline
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94 325i Probably a Guibo/Centre Bearing or Tranny Mount Problem

[E36 94 BMW 325i Convertible (Manual)]

Hi Guys,

About 3 months ago (1000km) I replaced my OEM Centre control bearing, aftermarket guibo (flex disc), and OEM transmission mounts with somewhat cheap aftermarket replacement parts due to breakdown. No problems afterwards until now. NOTE: I took care to reconnect the driveshaft while keeping it balanced although it may be off by one or two notches at the centre support bearing

Several days ago I noticed that the car was vibrating heavily under torque and in gear (Most noticeable going up a hill). The new problem is likely related to the guibo or transmission mounts failing which I'm hoping is the latter.

Another (unrelated?) problem I have had for the last couple weeks has been difficulty with the shifter changing into second gear.

Unfortunately I can't get under the car for another month.

Thanks!
Peter
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  #2  
Old 11-06-2016, 05:41 PM
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dc_wright dc_wright is offline
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There are a lot of 3rd party after market parts for the E36 that are unfortunately very low quality and have very short life spans. I think I'd be looking at the tranny mounts first given your shifting issue.
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Old 11-06-2016, 06:42 PM
Garogyle7 Garogyle7 is offline
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Thanks, fingers crossed its just the mounts. I replaced all the parts with URO aftermarket parts which I didn't realize were complete crap until after I'd done the job but I still would of expected atleast 10k km out of them.
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Old 11-08-2016, 04:37 PM
Garogyle7 Garogyle7 is offline
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Okay so I got a camera under the car and I noticed that one of the bolts on the guibo is missing. The guibo and tranny mounts are fine but I can't see the centre support bearing, any chances its toast? I'm going to get new bolts in the guibo asap.
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Old 11-08-2016, 08:09 PM
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If the flex disc has been vibrating, the center support bearing is toast. The bearing itself doesn't usually fail. It's the rubber mount that supports the bearing that fails.
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Old 11-09-2016, 07:44 AM
JKRIT JKRIT is offline
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. . . and rubber is just one of the things that URO does (copies) very poorly. I used their strut mounts once, and in nine months the rubber ring collapsed/settled so that the strut started rubbing, binding and squeaking.
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Old 11-09-2016, 08:17 AM
Garogyle7 Garogyle7 is offline
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Thanks guys, guess I've got another project ahead of me.
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Old 12-29-2016, 12:46 PM
Garogyle7 Garogyle7 is offline
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Okay long story but I finally got under the car today (I had it in storage). The guibo & centre support bearing appear fine but 2 bolts had fallen out of the guibo and a third was extremely loose. I have new BMW bolts and lock nuts for the guibo but I am wondering if I should include thin washers as a precaution.

Also will I have to pre-stress the centre support bearing if it is this loose once again? That would me a major hassle as I am short on time and am working with only a foot of space under the car.

Finally, will 50 ft*lbs of torque be enough for the bolts?
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centre support bearing, engine mounts, flex disc, guibo, transmission mounts


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