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| E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm Total Produced: 45,000+ - Years Produced: 2001 to 2006. |
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Thu, Mar-19-2009, 03:59:34 AM
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#1 |
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M is for Muscle
Join Date: Feb 2008
Posts: 1,669
Reputation: 0
 Location: Los Angeles
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Is the 1.8k rpm rattle normal?
I know alot of us have been hearing this metal rattle whenever the engine is at 1.8k rpm (specifically 1.8k for some odd reason)...you also feel your car shake / hesitate a little at that specific rpm.
My question is, is this normal? I just had inspection II done last week, the service advisor told me the tech who was working on my car couldnt replicate the noise, and that he also had to go under the car so anything loose under there must have been re-tightened... Also on a side note, I'm noticing this weird rasp also at 1.8k rpm, its only audible when I'm right next to a wall where the sound can bounce off and be heard through the driver side window...could it be a loose rasp pipe?
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Factory Loaded ZCP 6MT SG / IR OEM CSL / Dinan / Vorsteiner / KW / Rogue Engineering / Mason Engineering / Huper Optiks / UUC / Intravee |
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Mon, Apr-29-2013, 09:02:18 PM
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#2 |
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Registered User
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Re: Is the 1.8k rpm rattle normal?
sorry to bring up this old thread... but I have the EXACT SAME symptoms...
I know this person got his whole transmission replaced and it went away... but I am thinking there is another way.. Mine is a SMG, and I am hoping that there is something specific to fix rather than the whole entire tranny.... Anybody have/had these issues? What did you do to get ride of it? becuase the whole car vibrates while making the rattle sound when decelerating and reving at exatcly 1.8k rpm I am thinking it could be a vaccum leak? Thanks again for any response. |
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Mon, Apr-29-2013, 09:17:34 PM
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#3 |
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Registered User
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Re: Is the 1.8k rpm rattle normal?
is it the gasket ring between the headers and Pipe 1?
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Tue, Apr-30-2013, 01:05:29 AM
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#4 | |
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Registered User
Join Date: Oct 2011
Posts: 890
Reputation: 0
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Re: Is the 1.8k rpm rattle normal?
Quote:
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