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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

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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Old 02-09-2013, 08:42 PM
newburgfdz71 newburgfdz71 is offline
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Location: st thomas, pa
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Mein Auto: 1998 328i
drive shaft vibration

ok so heres my delema one of the u joints in my drive shaft was starting to go and i would get a bad vibration. some times it sounded like my drive shaft was coming trough my floor. so i tried to get 2 different drive shafts but where the flex disk and drive shaft bolted together was to small. so i decided to just get a remaned shaft and after i got it installed today i took the car for a ride and now its worse. i didn't replace my flex disk because i had just put a new one in around October but it does look in bad shape from my original drive shaft. do you guys think that the flex disk is my only problem or do you think its more then the flex disk. i need help and fast because im planning on driving 360 miles south to north Carolina in a week
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Old 02-09-2013, 08:52 PM
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drivinfaster drivinfaster is offline
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all of the bolts are tight?? if you got a reman driveshaft and the giubo is in decent shape, and the center bearing is good, then i am uncertain what else it could be unless the shaft assembly wasn't balanced properly....

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Old 02-10-2013, 02:07 AM
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Hectorml07 Hectorml07 is offline
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Look at your transmission output flange where the flex disk meets the transmission itself to make sure it isn't loose or broken. They are pretty tough to break or snap but it happened to me. Like Df mentioned, if the driveshaft you put in was not properly balanced like they come from factory then it will be a waste of money until you find a complete driveshaft that hasn't been tempered with (ask me how I know). And he also mentioned your center support bearing. Have you inspected it to make sure its in good condition? Next, check your differential bolts to make sure you haven't snapped a bolt which also happens sometimes. A broken bolt will make your diff hit underneath your car sounding like its the actual driveshaft when its just a broken bolt that can be drilled out and replaced.
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Old 02-10-2013, 05:56 AM
Mikecanfixit Mikecanfixit is offline
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If its weighted for balance try rotating it then re bolting it to the rear end. Also yes I'v seen many driveshaft supports lol ok but really there bad! Go under and mark the driveshaft (both ends) and rotate it a quarter turn also if there's not too many shields in the way feel the driveshaft support and see it it's firm!
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Old 02-10-2013, 07:58 AM
newburgfdz71 newburgfdz71 is offline
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Location: st thomas, pa
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Mein Auto: 1998 328i
my drive shaft came from drive shaft specialist in austin texas and it came with a new center support bearing and was properly ballenced. so i think im just going to go ahead and get a new flex disk to put in considering they dont cost that much. then while im under the car ill inspect the output flange of the trasmission
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Old 02-11-2013, 09:23 AM
newburgfdz71 newburgfdz71 is offline
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Location: st thomas, pa
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Mein Auto: 1998 328i
update on my driveshaft vibration i have a new flex disk on its way but wont be here till tomorrow so ill get it put in on wedensday. so upon driving my car into work this morning it seams that i only have the vibration when under load. if im just crusing down a flat streach of road then it is smooth as glass. so to me that tells me that it is more them likly my flex disk.
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Old 02-11-2013, 10:23 AM
JKRIT JKRIT is offline
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+1 on your flex disc. Buried in your original post you said it looked bad, despite being newly installed in October. Hopefully your new driveshaft and center bearing will prevent the next flex disc from failing so soon.
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