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Old 11-15-2016, 10:46 PM   #1
HOODY007
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Vibration from rear center tunnel

Hello all,

I have a 2004 330ci, Steptronic, 192K miles. I've had the car since 155K, and the following problem has not changed in severity. Under medium/ hard acceleration from a stop, I can feel a vibration from the rear of the center tunnel, from behind the transmission. I have already had the CSB and guibo replaced with genuine BMW parts, and the two mechanics I took the car to have suggested a driveshaft rebuild, owing to a worn CV joint on the driveshaft. Is this the likely culprit, or could it be something else?

This vibration is significant to the point where it affects acceleration.

Thanks,

Hoody

Last edited by HOODY007; 11-15-2016 at 10:47 PM.
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Old 11-16-2016, 03:19 AM   #2
BiH55
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If the CV joint is bad it would cause the vibration. On my 325i the cv is also bad
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Old 11-16-2016, 10:21 AM   #3
E46Envyy
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If the car was driven with a bad CSB for a long amount of time it may warp the drive shaft. This may be the case.
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Old 11-16-2016, 02:28 PM   #4
HOODY007
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Quote:
Originally Posted by E46Envyy View Post
If the car was driven with a bad CSB for a long amount of time it may warp the drive shaft. This may be the case.
Ah! Thanks- the car had this issue when I bought it; there's no telling how long it was driven like that. I presume I will need a new CSB and guibo, as well as new transmission, engine, and diff mounts as well? Also, in this scenario, could my existing driveshaft be rebuilt? Or am I looking at buying a whole new one?

Thanks!

Last edited by HOODY007; 11-16-2016 at 02:29 PM.
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Old 11-16-2016, 02:38 PM   #5
swordsman11868
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I changed guibo and CSB due to age and some vibration issues.

Long story short vibration is still present between 25-40 mph both on accel and decel. Some have suggested worn rear diff bushings and I tend to agree since they have never been replaced with 165k miles on the clock.
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Old 11-16-2016, 03:51 PM   #6
E46Envyy
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Quote:
Originally Posted by HOODY007 View Post
Ah! Thanks- the car had this issue when I bought it; there's no telling how long it was driven like that. I presume I will need a new CSB and guibo, as well as new transmission, engine, and diff mounts as well? Also, in this scenario, could my existing driveshaft be rebuilt? Or am I looking at buying a whole new one?

Thanks!
when my brother had this issue he waited about a month until he had time to change the CSB and guibo. Once they were changed it reduced the vibration but it was not gone. He then got a used drive shaft and new CSB( cannot remove the CSB without damaging it) which fixed the problem. Not sure about transmission or engine mounts, should be fine. The diff mount maybe but as I said he had no other issues.

good luck, Lachlan
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Old 11-17-2016, 04:47 PM   #7
HOODY007
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Quote:
Originally Posted by E46Envyy View Post
when my brother had this issue he waited about a month until he had time to change the CSB and guibo. Once they were changed it reduced the vibration but it was not gone. He then got a used drive shaft and new CSB( cannot remove the CSB without damaging it) which fixed the problem. Not sure about transmission or engine mounts, should be fine. The diff mount maybe but as I said he had no other issues.

good luck, Lachlan
Out of curiosity, did your brother change his driveshaft because it was not salvageable, or because he was able to find a used one for less than the cost of a rebuild? I'd like to have the original one rebuilt if possible, as it assures me a longer lifespan than a used one...
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Old 11-17-2016, 05:23 PM   #8
E46Envyy
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I think it was not salvageable as fixing a slight warp is very hard. He picked up the used shaft for around 100$. Never thought of the drive shaft as a wear item, should they not last forever if the CSB/ guibo was replace before failure?

If you can get it rebuilt for a reasonable price then go for it, likewise the drive shafts are very common.
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Old 11-17-2016, 05:51 PM   #9
das_autobahn
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Vibration from rear center tunnel

Quote:
Originally Posted by E46Envyy View Post
I think it was not salvageable as fixing a slight warp is very hard. He picked up the used shaft for around 100$. Never thought of the drive shaft as a wear item, should they not last forever if the CSB/ guibo was replace before failure?

If you can get it rebuilt for a reasonable price then go for it, likewise the drive shafts are very common.

grease breaks down and sometimes goes dry causing failure. my ujoint was dry and rusted/bound on only two caps causing vibration. the cv and giubo are fine. i have a reman shaft w new csb/cv joint and also have a new giubo going in tomorrow.

my old one ill take to get rebuilt (it can be done) balanced and on standby for a swap when needed in another 100,000 miles lol

Last edited by das_autobahn; 11-17-2016 at 05:51 PM.
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Old 11-17-2016, 05:51 PM   #10
CylonRed
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Quote:
Originally Posted by HOODY007 View Post
Out of curiosity, did your brother change his driveshaft because it was not salvageable, or because he was able to find a used one for less than the cost of a rebuild? I'd like to have the original one rebuilt if possible, as it assures me a longer lifespan than a used one...
Info from a indy repair shop owner who specializes in BMW. Their drive shafts are not serviceable as they are splined (Ford/Mazda among other do it as well). So if it needs to be replaced it will have to be rebuilt. He only trusts one person who is in Arizona while Mike Miller (from Roundel magazine) trusts 2 - one in GA and the other in OR. It is quite difficult to get right.

If there is no rush then they can probably rebuild your driveshaft (if it can be) else I would assume that it would be like other parts - they send a drive shaft with a core charge and you send yours back and get the core money back.
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