[Skierlandon]

Hello all,
Looking for some advice when replacing a rear wheel bearing. As I'm replacing the wheel bearing I find the housing like this (see pictures for details). Does this need to be replaced and what part is it?

[charlie_m]

Holy crap! Yes, absolutely needs to be replaced. Probably damaged in a previous accident / curb strike. Look for other damage too that may have been missed, like buckling control arms.

Check realoem with your car specifics, but I think this is the part you need. Goes by various names like upright, knuckle, or in BMW-speak 'wheel carrier'. Seems to be the same P/N whether LCI or not. Left or right:

https://www.fcpeuro.com/products/bmw...ft-33326774807
https://www.fcpeuro.com/products/bmw...ht-33326774808

[Efthreeoh]

Jesus Christ, just clean the suspension knuckle with a drill and wire brush and Brake Clean. The wheel hub comes out with the inner bearing race on it, so you need tools to pull the bearing race off.

[e91Owner]

Originally Posted by Efthreeoh

Jesus Christ, just clean the suspension knuckle with a drill and wire brush and Brake Clean. The wheel hub comes out with the inner bearing race on it, so you need tools to pull the bearing race off.

I don't think he's referring to the corrosion but the uneven gap that makes it look as if the hub is bent.

[charlie_m]

Jesus Christ, just clean the suspension knuckle with a drill and wire brush and Brake Clean.

Wire brush won't help a brittle fracture .... unless I'm seeing things.

[e91Owner]

That's not a crack. There's a gap there on the assembly, although it doesn't look even to me, but it could be the camera angle too.

[Efthreeoh]

Originally Posted by e91Owner

I don't think he's referring to the corrosion but the uneven gap that makes it look as if the hub is bent.

Ah, I didn't see the fracture on my phone. Now on my computer, I see it.

[Brian86]

That's a crack in the bearing bore?

I didn't know what I was looking at, Just thought that was the gap between the hub and the spindle and the camera angle.

A new spindle is most certainly in order. Get one out of a salvage yard. That's not a part that normally fails.

How does that even happen? Think somebody tried to press out the bearing without removing the snap ring... Realized the mistake, then went ahead and installed a new bearing anyway?

[e91Owner]

Originally Posted by Brian86

That's a crack in the bearing bore?

I didn't know what I was looking at, Just thought that was the gap between the hub and the spindle and the camera angle.

A new spindle is most certainly in order. Get one out of a salvage yard. That's not a part that normally fails.

How does that even happen? Think somebody tried to press out the bearing without removing the snap ring... Realized the mistake, then went ahead and installed a new bearing anyway?

I think it's just a gap between the bearing and the hub. It looks like it is wider at the top, but no one really knows what he was actually concerned about. The OP posted and vanished.

[charlie_m]

Originally Posted by Brian86

How does that even happen?

My money is on a curb strike

[Efthreeoh]

Originally Posted by Brian86

That's a crack in the bearing bore?

I didn't know what I was looking at, Just thought that was the gap between the hub and the spindle and the camera angle.

A new spindle is most certainly in order. Get one out of a salvage yard. That's not a part that normally fails.

How does that even happen? Think somebody tried to press out the bearing without removing the snap ring... Realized the mistake, then went ahead and installed a new bearing anyway?

Thats exactly what I thought too; the gap between the hub and the knuckle.