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F10 / F11 (2011 - Current)
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  #1  
Old 11-01-2010, 06:31 PM
brandonw brandonw is offline
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Mein Auto: 2008 X5 4.8i
Excessive popping and crackling after engine turned off

I know new cars sometimes crackle and pop. I have about 210 miles on my 535i and when I turn it off, the crackling and popping is, to me, excessive. I am somewhat use to hearing this from the engine, but mine is coming from underneath the center of the car, thus, I am thinking the exhaust system. Anyone else experiencing this or am I being paranoid?
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  #2  
Old 11-01-2010, 06:48 PM
FPNY FPNY is offline
um, i dunno
Location: South Salem, NY
 
Join Date: Sep 2010
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Mein Auto: 08 535xi
can't say, might be something individual with your car. I have about 300 miles on mine and it's so quiet. It shuts down without a sound or a shutter
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  #3  
Old 11-01-2010, 07:03 PM
KCComp KCComp is offline
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Location: Seattle
 
Join Date: Jan 2007
Posts: 66
Mein Auto: 2008 650i
All German cars do this, it's because they're fastened together so tightly.

Seriously.
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  #4  
Old 11-01-2010, 07:07 PM
Stanesq Stanesq is offline
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Quote:
Originally Posted by brandonw View Post
I know new cars sometimes crackle and pop. I have about 210 miles on my 535i and when I turn it off, the crackling and popping is, to me, excessive. I am somewhat use to hearing this from the engine, but mine is coming from underneath the center of the car, thus, I am thinking the exhaust system. Anyone else experiencing this or am I being paranoid?
My 2008 did this for the first 1000 or 2000 miles. It will lessen over time. As someone said, car is tight and the heat and cooling expansion is making the noises.
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  #5  
Old 11-01-2010, 07:10 PM
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markl53 markl53 is offline
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Location: Gaithersburg, MD
 
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Posts: 5,503
Mein Auto: 2011 535i
The only noise I hear after I shut down is about 30-45 seconds later, one easily heard "pop" or "crack" heard outside the car, I assume something else shutting down. There is no other sequence of noises that I've noticed in 1600 miles.
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  #6  
Old 11-01-2010, 07:54 PM
sambb sambb is offline
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i think it is normal, 3 of my last 4 bmws did it for a few thousand miles
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  #7  
Old 11-01-2010, 08:51 PM
Emilner Emilner is offline
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I have not noticed anything excessive, but this car does run warm. On a warm day I am just shy of that 250 degree mark. I did hear the cooling fan run for 2-3 minutes after I shut the car down, that surprised me....
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  #8  
Old 11-03-2010, 03:04 PM
Crmgr Crmgr is offline
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Might want to check the exhaust system. A lot of times the noise is coming from the heat shields as they cool off. Maybe something needs to be adjusted.
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