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      04-21-2017, 05:31 PM   #1
sleestak
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Performance exhaust small crack...I think...

2013 E92 DCT coupe.

As this has been well documented before I believe there might be either a pin hole or extremely tiny crack because I see water slowly dripping out from beneath the muffler. Sorta strange this would occur on a 2013 with only 46,000 miles and never driven roughly.

Anyway, if it's that small is it possible to patch it with a weld or something similar perhaps? Also, why would there be water slowly dripping from the muffler anyway?? Does water collect in the muffler something??

If this indeed a tiny crack I cannot even see it......

Last edited by sleestak; 04-21-2017 at 06:09 PM.
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      04-21-2017, 05:48 PM   #2
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Condensation (water) is the by product of the internal combustion engine.
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      04-21-2017, 05:52 PM   #3
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Thanks for that so does that mean I have a small crack if water is slowly dripping through? I suspect the answer is yes....my question is if that's the case can it be patched without replacing the entire muffler?

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Condensation (water) is the by product of the internal combustion engine.
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      04-21-2017, 06:05 PM   #4
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If it was port installed and the 2013 is still under the factory 4 year warrantee BMW may replace it! Can be welded with a specific welding rod.
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      04-21-2017, 06:08 PM   #5
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Quote:
Originally Posted by UPSROD View Post
If it was port installed and the 2013 is still under the factory 4 year warrantee BMW may replace it! Can be welded with a specific welding rod.
Car is not under warranty. Thanks for that info because if it is a hole it's no bigger than a pin hole right now.
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      04-21-2017, 06:23 PM   #6
sleestak
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By the way - where can I take it to have this welded?
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      04-21-2017, 06:32 PM   #7
///M Power-Belgium
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Quote:
Originally Posted by sleestak View Post
Car is not under warranty. Thanks for that info because if it is a hole it's no bigger than a pin hole right now.
Yeah with the ///M Performance exhaust the cracks are for free ...

Pics # 1 and 2 show cracks in the Inconel material .
Pic # 3 shows a welding joint on the Inconel (repaired exhaust)
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      04-21-2017, 06:52 PM   #8
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Quote:
Originally Posted by ///M Power-Belgium View Post
Yeah with the ///M Performance exhaust the cracks are for free ...

Pics # 1 and 2 show cracks in the Inconel material .
Pic # 3 shows a welding joint on the Inconel (repaired exhaust)
Where did you take your car to get patched? Do I goto a welder? Do I goto a BMW dealership? Who does this kind of work?
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      04-21-2017, 07:00 PM   #9
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Check welding shops that do TIG welding, they will probably have to order the welding rod.
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      04-21-2017, 07:00 PM   #10
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Check welding shops that do TIG welding, they will probably have to order the welding rod.
Whats TIG stand for?
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      04-21-2017, 07:01 PM   #11
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Quote:
Originally Posted by sleestak View Post
Where did you take your car to get patched? Do I goto a welder? Do I goto a BMW dealership?
The pics and my information comes from here on BP (pics are not from my car) I have the Oem. exhaust mod.
One thing is for sure ...It's not easy to weld on the Inconel (Titanium) because the wall of the ///M Performance exhaust is really thin !
Advice : You should look after a specialist in Inconel welding .
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      04-21-2017, 07:02 PM   #12
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Tungsten inert gas.
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      04-21-2017, 07:04 PM   #13
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Quote:
Originally Posted by sleestak View Post
Whats TIG stand for?
TIG (tungsten inert gas) welding, also known as gas tungsten arc welding (GTAW), is an arc welding process that uses a non-consumable tungsten electrode to produce the weld. TIG welding utlizes a constant current welding power supply to generate an electric arc between the tungsten electrode and the workpiece, using the resultant heat to create the weld.

The weld area is generally protected from atmospheric contamination by use of an inert shielding or cover gas (argon or helium).
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