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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 01-13-2005, 07:34 AM
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Right, idiots guide... the silly flap in the tailpiece... can i get shot of this.

whats it used for.
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#2 (permalink) Old 01-13-2005, 07:55 AM
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It is a good thing to have that. Below 2500rpm it stays closed. It increases backpressure thus increases low end power.

Complete mod list and pics:

My 1993 325i
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#3 (permalink) Old 01-13-2005, 08:57 AM
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Correct and correct.

Increases low end torque because of the backpressure and keeps the noise down just a tiny bit when it's closed.
Nifty device, it's pneumatic and it's attatched to a little air pump.

Don't remove it, you wont gain anything. There was another thread like this almost a week ago on this very same topic.


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#4 (permalink) Old 01-13-2005, 11:52 AM
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was this a factory option? or does BMW sell this thing? I've heard of silencers coming on aftermarket exhausts, but not on factory exhaust....
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#5 (permalink) Old 01-13-2005, 12:08 PM
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it's OEM factory stock

Complete mod list and pics:

My 1993 325i
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#6 (permalink) Old 01-13-2005, 12:32 PM
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so, for instance I should have it?
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#7 (permalink) Old 01-13-2005, 12:57 PM
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From your sig I can see you have a 318..

318's (single pipe exhaust)do not have it. 325's (dual pipe muffler) have the valve.

So you shouldn't have it..

Complete mod list and pics:

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#8 (permalink) Old 01-13-2005, 01:02 PM
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Quote:
Originally posted by 93 325i@Jan 13 2005, 12:57 PM
From your sig I can see you have a 318..

318's (single pipe exhaust)do not have it. 325's (dual pipe muffler) have the valve.

So you shouldn't have it..
[snapback]270771[/snapback]
325's don't have it. I believe it started with the 328's.
M3's don't have it either.
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#9 (permalink) Old 01-13-2005, 01:11 PM
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Quote:
Originally posted by wavewuver@Jan 13 2005, 02:02 PM
325's don't have it. I believe it started with the 328's.
M3's don't have it either.
[snapback]270773[/snapback]
Yea your right.. 328's got it

Complete mod list and pics:

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#10 (permalink) Old 01-13-2005, 05:09 PM
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that sux. i wish i had it.

1992 325i. 5speed.
fun stuff
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