Long Tube install, AFTERMATH!

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Nov 7, 2005 | 02:08 PM

Speed Density

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hashtagBMW

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From: Boise, Idaho

Long Tube install, AFTERMATH!

So i love them!!!!!! I finaly got em in and after 2 days of drivin soft and then today gettin to put my foot in it. THERE INSANE. But when i got home i turnd the car off and i heard like a pinging noise (it was loud). So i popd the hood turnd her back on then turnd her off, its like 7 ping ping ping ping. then it stops and its sounds like its from the drivers side Head. Any advice?

Nov 7, 2005 | 02:13 PM

blind527

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Could be your plug wires arching or an exhaust leak.

Nov 7, 2005 | 02:14 PM

Speed Density

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hashtagBMW

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From: Boise, Idaho

Well i just startd it again, and its still doing it. Should i just try and snap on all the plugs again?

Nov 7, 2005 | 02:24 PM

Speed Density

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hashtagBMW

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From: Boise, Idaho

I also have looms going over the vavle cover so i tightend them up and it made the noise alot more, so i loosend em up and its not so bad. Could it just be the plastic or the bolts through the covers expanding?

Nov 7, 2005 | 06:21 PM

dhdenney

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Behind the tranny, there is a mount/crossbrace for the exhaust. I can't remember how it's set up stock because I have a kind of integrated, fabbed exhaust. Anyway, I had it bolted up for a while without the rubber shims and it would cool down and pop. I replaced the rubber shims and it didn't happen anymore. Perhaps this will give you some guidance to your problem. All in all, I don't think I would worry about it.

Nov 7, 2005 | 07:18 PM

whynot

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after you get them hot they will kind of ping when you shut it off, it happens because of the heat expansion. I will listen to it to make sure that is what you are hearing.

Nov 7, 2005 | 07:55 PM

Frans96SS

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From: New Castle Del.

Quote:

Originally Posted by whynot

after you get them hot they will kind of ping when you shut it off, it happens because of the heat expansion. I will listen to it to make sure that is what you are hearing.

this is also what i beleive it is

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Nov 7, 2005 | 08:28 PM

BBADWS6

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When metal expands and contracts it pops and pings, this is what you are hearing.

Nov 7, 2005 | 10:02 PM

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Farfignuten

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From: Tinley Park, IL

If it was arching, it would sound like a fast ticking sound and would happen even if you turned off the car when it's still very cold.. But it's mostlikely it's the metal expanding and contracting. It does it on my car too and it kind of reminds me of when I unplug my george foreman grill.