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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > Left tailpipe



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      11-16-2011, 03:57 PM   #1
SomeRandomer123
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Left tailpipe

I was just perusing the X3 forums and someone noticed on their 35i, the left tailpape was inactive at idle. The 35i on the X3 has the same twin tailpipe on the left side like our E9X's 25d and 30d. Apparantly the left exhaust doesn't kick in till 2000rpm. Is this a similar story with our N57's?
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Last edited by SomeRandomer123; 12-04-2011 at 02:41 PM.. Reason: Consolidating my 2 posts into the first one as I first intended &STUPID App inserting forward slashes where there need not be
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      11-16-2011, 05:51 PM   #2
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Quote:
Originally Posted by SomeRandomer123 View Post
Sorry stupid app cut it off
.... 25d and 30d. Apparantly the left exhaust doesn't kick in till 2000rpm. Is this a similar story with our N57's?
Not sure about the N57's, but the US/Can-spec M57's don't have a cut-off in the exhaust.


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      11-16-2011, 08:56 PM   #3
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Originally Posted by DnA Diesel View Post
Not sure about the N57's, but the US/Can-spec M57's don't have a cut-off in the exhaust.


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      11-17-2011, 01:54 AM   #4
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Hmm, I'll look at the d when its a cold morning.. Which may be now...
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      11-17-2011, 10:53 AM   #5
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The left exhaust on idle on the 335i is the one that spawned the 'golf tee mod'. I went to do this right after I got my d, and realized neither the actuator that you could disconnect (coming through your trunk) existed, and that even on a cold morning start-up, there was air coming out of both exhausts.
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      11-17-2011, 12:01 PM   #6
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Quote:
Originally Posted by Ron1n View Post
The left exhaust on idle on the 335i is the one that spawned the 'golf tee mod'. I went to do this right after I got my d, and realized neither the actuator that you could disconnect (coming through your trunk) existed, and that even on a cold morning start-up, there was air coming out of both exhausts.
Ahh, that concludes that nicely.
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