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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 09-07-2014, 04:33 AM
ownabimmer ownabimmer is offline
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Location: Canada
 
Join Date: Feb 2014
Posts: 17
Mein Auto: 2011 335i X-drive
Noise during start up

Hi Everyone,

I purchased my 2011 335i x-drive in Feb with 26k miles and it is my second BMW. My first was a 1994 325is which I still about, loved that car!

Anyhow, since I purchased the car I noticed there are things taking place once that FOB is put into the ignition and then when the start button is initially pushed. I can hear the pump make it's slight whining noise (I assume the pump from reading) but there is also an initial sound that sounds like a metallic vibration sound. It's really hard to explain but some may know what I mean. The sound lasts for a brief second and I notice it more on cold start but I may also notice it more because it lives in my garage and in a confined space sometimes noises are more noticeable. Outside I don't seem to notice it in the wide open air, but it may be there anyhow.

Any ideas what that noise may be? My old BMW didn't have all these fancy electronic things in it LOL.
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  #2  
Old 09-07-2014, 06:10 AM
CALWATERBOY DUE's Avatar
CALWATERBOY DUE CALWATERBOY DUE is offline
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Location: Fog City, California
 
Join Date: May 2014
Posts: 1,054
Mein Auto: 09 E93 335i somewhat mod
Quote:
Originally Posted by ownabimmer View Post
Hi Everyone,

I purchased my 2011 335i x-drive in Feb with 26k miles and it is my second BMW. My first was a 1994 325is which I still about, loved that car!

Anyhow, since I purchased the car I noticed there are things taking place once that FOB is put into the ignition and then when the start button is initially pushed. I can hear the pump make it's slight whining noise (I assume the pump from reading) but there is also an initial sound that sounds like a metallic vibration sound. It's really hard to explain but some may know what I mean. The sound lasts for a brief second and I notice it more on cold start but I may also notice it more because it lives in my garage and in a confined space sometimes noises are more noticeable. Outside I don't seem to notice it in the wide open air, but it may be there anyhow.

Any ideas what that noise may be? My old BMW didn't have all these fancy electronic things in it LOL.

What, turbo gate rattle? Common.
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  #3  
Old 09-07-2014, 06:27 AM
ownabimmer ownabimmer is offline
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Location: Canada
 
Join Date: Feb 2014
Posts: 17
Mein Auto: 2011 335i X-drive
Hey thanks :-) I got something to look into. You mention common but is it something to be concerned about or common as in some people drink coffee each morning and some don't?
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  #4  
Old 09-07-2014, 06:35 AM
CALWATERBOY DUE's Avatar
CALWATERBOY DUE CALWATERBOY DUE is offline
Reregistered User
Location: Fog City, California
 
Join Date: May 2014
Posts: 1,054
Mein Auto: 09 E93 335i somewhat mod
Quote:
Originally Posted by ownabimmer View Post
Hey thanks :-) I got something to look into. You mention common but is it something to be concerned about or common as in some people drink coffee each morning and some don't?

Coffee....
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  #5  
Old 09-07-2014, 09:05 PM
sptt144 sptt144 is offline
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Location: Orange County, Ca.
 
Join Date: Aug 2012
Posts: 1,074
Mein Auto: 2009 335i
Quote:
Originally Posted by ownabimmer View Post
Hi Everyone,

I purchased my 2011 335i x-drive in Feb with 26k miles and it is my second BMW. My first was a 1994 325is which I still about, loved that car!

Anyhow, since I purchased the car I noticed there are things taking place once that FOB is put into the ignition and then when the start button is initially pushed. I can hear the pump make it's slight whining noise (I assume the pump from reading) but there is also an initial sound that sounds like a metallic vibration sound. It's really hard to explain but some may know what I mean. The sound lasts for a brief second and I notice it more on cold start but I may also notice it more because it lives in my garage and in a confined space sometimes noises are more noticeable. Outside I don't seem to notice it in the wide open air, but it may be there anyhow.

Any ideas what that noise may be? My old BMW didn't have all these fancy electronic things in it LOL.
The change in your pocket settling...
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  #6  
Old 09-07-2014, 09:06 PM
sptt144 sptt144 is offline
Officially Welcomed to the 'Fest
Location: Orange County, Ca.
 
Join Date: Aug 2012
Posts: 1,074
Mein Auto: 2009 335i
Quote:
Originally Posted by ownabimmer View Post
Hey thanks :-) I got something to look into. You mention common but is it something to be concerned about or common as in some people drink coffee each morning and some don't?
More common than passing gas...
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