Guillotine in my tailpipe!!! - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
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#1 (permalink) Old 04-14-2004, 04:44 PM
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Howdy!!!

Ok, here is an easy question. I think...

I have a stock exhaust on my 2002 330i Sport/Prem.

Inside of the right exhaust pipe there is a valve in there with a cable attached to it. It looks like the cable is designed to open/close the valve.

I have never seen it closed.

What would be the purpose of closing off the exhaust? To help the catalytic converter warm up?

Someone please enlighten me.

Thanks,
Joe

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Joe

2002 330i Titanium Silver w/ Sport-Premium</span>



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#2 (permalink) Old 04-15-2004, 02:51 AM
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It should close when you are doing some sporty pedal all the way down acceleration. The wierd thing is, my friends e36 has one closed when it is parked. The smaller exit promotes low end torque and then will open up in the hugher end i beleiev. Just another one of bmw's beautiful hidden treasures.


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#3 (permalink) Old 04-15-2004, 08:59 PM
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Hey thanks.

I will have to hang a camcorder back there so I can see it.

I like to watch. B)


thanks
joe

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