135i center driveshaft removal

[blue_135i]

Any advise on how to remove it. I saw a post from a 3 series and said to remove a retaining nut but I dont see one on mine. Thanks

[Pig Farmer]

Originally Posted by blue_135i

Any advise on how to remove it. I saw a post from a 3 series and said to remove a retaining nut but I dont see one on mine. Thanks

I followed this thread (and the link) to pull the drive shaft. Once the whole drive shaft is removed, you should be able to pull back the boot and pull the two sections apart to get at the center bearing. The two sections fit together on splines. It is VERY IMPORTANT to mark the each drive shaft so that the two sections of the drive shaft are rejoined in the exact same location. The drive shaft is balance at the factory, and if they are not put back together in the same location, you will get a major vibration.

http://www.e90post.com/forums/showth...=619618&page=3

Here's the link to the drive shaft diagram on RealOEM...

http://www.realoem.com/bmw/enUS/show...diagId=26_0233

[wook]

Bumping this because it's relevant and I didn't want to start a new thread.

My carrier bearing is shot and I'm going to replace it, my question is do I have to remove the whole driveshaft to replace the bearing? I don't have the wrench for the rear nut. Also, how do the two halves separate? MT if that matters. Thanks!

edit: For anyone searching this I just finished replacing the carrier bearing and flex disc. you don't have to pull the entire driveshaft out to replace the carrier bearing. Once you disconnect the front of the shaft, pull the rubber boot near the carrier bearing back exposing the splines, and the front half will slide out. I was looking for a lock nut or something holding the front half on but there isn't one.

Then you pull that rubber boot all the way out, and with a bearing puller you can get the carrier bearing out.

If you are replacing the carrier bearing, it's suggested to replace the flex disc (guibo) as well, because it softens over time.

[Dackelone]

Originally Posted by wook

Bumping this because it's relevant and I didn't want to start a new thread.

My carrier bearing is shot and I'm going to replace it, my question is do I have to remove the whole driveshaft to replace the bearing? I don't have the wrench for the rear nut. Also, how do the two halves separate? MT if that matters. Thanks!

edit: For anyone searching this I just finished replacing the carrier bearing and flex disc. you don't have to pull the entire driveshaft out to replace the carrier bearing. Once you disconnect the front of the shaft, pull the rubber boot near the carrier bearing back exposing the splines, and the front half will slide out. I was looking for a lock nut or something holding the front half on but there isn't one.

Then you pull that rubber boot all the way out, and with a bearing puller you can get the carrier bearing out.

If you are replacing the carrier bearing, it's suggested to replace the flex disc (guibo) as well, because it softens over time.

Also be sure to pre-load that new center driveshaft bearing...


See 04:14...