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Old 01-24-2013, 01:24 PM   #1
bigpoppa
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Help identifying this rubber seal

I just dropped the skid plate (the second one that bolts up between the control arms) on my 03 330ci so I can pull the tranny to replace the *(^!#& torque converter. When i got it pulled out this rubber seal was just sitting inside that plate. It was on the left side of the car.

It looks like a seal that might be something from the steering rack or brake system. It seems to have almost like a duck bill to it as you can see in the picture and has the number 2008 on it. I looked on RealOEM and couldn't find anything that looks like this.

Anybody recognize this part?
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Old 01-24-2013, 01:42 PM   #2
dmax
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Ninja edit:

I believe, if that's a solid hunk of rubber, and not a flexible thin rubber, that it fell off your control arm bushing...actually, I'm almost 99%.

There's been a discussion about this ring before. Bottom line, it's not good, but not horrible. It adds extra stability and cushioning to the cab...but it fell off because your bushing otherwise failed (looks that way to me), and 'cut' this ring off from a big bang--pothole.

At first, I thought that goes under oil filler cap...brb with picture.

You can see it if you open cap...that might be an old one from when the vcg was done.

Anyway, assuming I'm right, coz I probably am...

That clunking sound you hear when you take off...light solid metal clunk...that'd be your bad CAB I'm pretty sure.

Let me know how close I got with my guess! Look at both CABs...one will have an extra ring on it I bet.

$75-85 should get you lemforders (OE) or meyle HDs (solid(ish) rubber, not fluid filled--stiffer but probably longer lasting.
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Last edited by dmax; 01-24-2013 at 01:51 PM.
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Old 01-24-2013, 02:06 PM   #3
Zell
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Yep, as douglas maximus said, that's definitely the FCAB ring. It likes to ride up or fall off a lot. It's just press-fit into the FCAB. I think it also helps to keep water out of it but who knows. It loves to find its way to the front of the car or fall off completely.
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Old 01-24-2013, 03:35 PM   #4
bigpoppa
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Thanks. I bet that is it. I know the CAB haven't been done on this car, and I know that is one of the things that has to be done on these cars. I'll take a look tonight, but that does make sense considering where I found this thing.

Edit: That has to be it. Now after getting a clue on what it could be I searched for control arm bushing ring and found this post:

http://www.e46fanatics.com/forum/sho...d.php?t=873605

The pic there looks just like this ring. Might go ahead and do this while I have the car up for this torque converter.

Last edited by bigpoppa; 01-24-2013 at 03:41 PM.
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Old 01-24-2013, 03:50 PM   #5
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I had a nice talk with the director of service at dealer about this...it's primarily an extra little cushion...it really just press fits in...probably does also keep grit from getting in the spaces inside the bushing too. I believe they fall off intact after a cab change if the bushing isn't fitted properly...not lubricated, not dropped while lubricant is still lubing...that sort of thing.

But in your case, since it's split...had to be from a hard hit, and if it cut this ring, I suspect cabs would likely be blown. But, wiggle around the control arms and see. The bushing itself does the lion's share of the work without this little extra bandaid!
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