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#1
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Exhaust Popping on Deceleration
I have 700 miles on my X5M, and although I am doing my best to abide by the break-in recommendations, I have noticed when the M button is pressed, I get a popping/burbling sound from the stock exhaust on deceleration. The sound is particularly prevalent when decelerating in 2nd and 3rd gears. Has anyone else experienced this? Am I simply overreacting?
Last edited by JDougM5; 10-01-2011 at 09:45 PM. |
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#2
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is it crackling?
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NAZARIO 2015 M3 / 2012 X5M BMWCCA![]() Kiss French, Wear Italian, Drive German
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#3
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normal
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#4
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Not sure what you mean by crackling and if/how that differs from popping/burbling
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#5
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She's kinda telling you to open her up...in her own way
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#6
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I agree. I'm gonna go ahead and say this is normal!
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NAZARIO 2015 M3 / 2012 X5M BMWCCA![]() Kiss French, Wear Italian, Drive German
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#7
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Quote:
When I am in M mode. I get a deep pop on the 1-2 shift and the 2-3. I never heard it loud on deceleration. Unless maybe you are at a high RPM and just get off the gas. But it is nothing like the pop on the 1-2/2-3 upshifts
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2011 BMW X5 M 2009 Mercedes E63 AMG-FOR SALE or TRADE |
#8
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If you let off the gas suddenly, the exhaust does give a pop sounds. It's normal. I think it will only do it in sport mode too.
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2010 X5 M Space Grey/Silverstone 2003 4.6is Silver/Black - sold. |
#9
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Yes, that's simply a bit of unburnt gas igniting in the cats. Stop over-thinking things, it's a great sound.
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#10
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Appreciate the feedback everyone.
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2012 X5M: Alpine White/Cinnamon/Carbon Leather |
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