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      09-02-2011, 07:09 PM   #1
Bimmer-Bob
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Exhaust Bottomed Out

So, I bottomed out the rear of my car puling into a parking space with a steep approach. I heard a metallic scraping sound and knew I had bottomed out the exhaust.

There's a bit of road rash on the underside of the tips, which doesn't bother me too much because you sort of have to be looking at it from underneath to really notice it.

What I'm a bit concerned about is that the exhaust pipe just forward of the muffler looks like it got hit, and the bend flattened slightly. I will try to get a pic up tomorrow when there's more daylight, but just off the top of your collective heads - is this type of damage generally nothing to be worried about? It looks pretty minor, but you never really know.

Thanks for any input. And damn the crazy screwed up roads around here - they're not very friendly to my lowered car...
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      09-02-2011, 07:13 PM   #2
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2008 135i  [3.71]
Next time let kermit drive.
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      09-02-2011, 07:34 PM   #3
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I think you should definitely get it checked. You may have malformed your exhaust pipe to the point of restricting exhaust flow.
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      09-02-2011, 07:51 PM   #4
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Quote:
Originally Posted by infinitekid2002 View Post
Next time let kermit drive.
LOL!!!

Blemishes on exhaust won't matter one bit - I've had it happen to cars i've owned previosly, but if it is bent badly enough you might want it looked at.
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      09-02-2011, 08:06 PM   #5
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Quote:
Originally Posted by MPFit View Post
LOL!!!

Blemishes on exhaust won't matter one bit - I've had it happen to cars i've owned previosly, but if it is bent badly enough you might want it looked at.
I'd agree. Depends on the amount of damage but it would have to be bent pretty bad to make a diff. Can't hurt to have it looked at though.
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      09-03-2011, 02:00 AM   #6
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The stock exhaust already has a flattened out part just before the muffler. Not sure if you made another one though.
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      09-03-2011, 11:00 AM   #7
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Itís ruined so you should replace it with a performance exhaust.
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      09-03-2011, 01:20 PM   #8
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Quote:
Originally Posted by IDBMW View Post
Itís ruined so you should replace it with a performance exhaust.
It is the Performance exhaust.

But I think the other poster is correct- I think the "flat spot" I'm seeing is just how the exhaust pipe came from the factory. In fact, I just looked at the Performance exhaust DIY and confirmed. I did my own install but I guess I just forgot how it looked...

Anyway, that means the only damage is to the exhaust tip - there is som scratching, and the very slightest bit of deformity (I only noticed this because there was a metal splinter sticking off that I had to remove). Anyway, this is annoying, but at the same time - it's not the end of the world. I pretty much have to be on my hands and knees looking up under the exhaust to even notice it.

But man that thing made a lot of noise when it hit! I guess the impact just sort of resonated throughout the system.
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