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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 12-19-2012, 09:13 PM
FrozenGas FrozenGas is offline
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Question MY 2012 BMW x5 35i Exhaust Questions

New to this forum.

Quick qs, is this normal that ONLY ONE of the exhaust pipe (driver's side) that is in use MOST of the time? The left (passenger side) seems to be cold and not blowing at all...is this normal? I called my dealer they told me you must go over 2500 rpm to get the right one working....just wanna cross check with all the Bimmer expert here....so I dont get fooled by dealers......


Thanks alot for your answers.....

PS: Please share some experience (both good and bad) with your MY2012 X5 35i if u are one of the owners.

Last edited by FrozenGas; 12-19-2012 at 09:14 PM.
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  #2  
Old 12-19-2012, 09:19 PM
jashearer jashearer is offline
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Sometimes the dealers do know what they are talking about, not often but sometimes.

I don't know the exact variables that open the flap, but idling is only done through one pipe.

Jay
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  #3  
Old 12-19-2012, 09:28 PM
FrozenGas FrozenGas is offline
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Thanks for the quick reply. Idling is one pipe...but even when I accelerate, i only see condensation coming out from left pipe....can anyone actually confirm this is normal if a greater acceleration is needed from idling (above 2500 rpm) in order to see the right one working? =.=' I really can not test it cause I dont want anyone see me racing and follows my back to check....hahaha
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Old 12-19-2012, 09:41 PM
ND40oz ND40oz is offline
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Yes, that's correct. Only the M Performance exhaust will flow both sides at idle. Just leave it in park or neutral and rev the engine if you want to see if both sides work, it's vacuum controlled and opens somewhere around 2500 rpm.
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  #5  
Old 12-20-2012, 04:54 AM
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5seriesHB 5seriesHB is offline
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Quote:
Originally Posted by ND40oz View Post
Yes, that's correct. Only the M Performance exhaust will flow both sides at idle. Just leave it in park or neutral and rev the engine if you want to see if both sides work, it's vacuum controlled and opens somewhere around 2500 rpm.
Why just the MSPORT performance?
and where is this info documented?
All the best
Rob
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  #6  
Old 12-20-2012, 07:47 AM
ND40oz ND40oz is offline
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Quote:
Originally Posted by 5seriesHB View Post
Why just the MSPORT performance?
and where is this info documented?
All the best
Rob
The M Sport exhaust still has the exhaust valve, it's only the performance exhaust that doesn't, you can see on the parts diagram the it's not listed.

http://www.realoem.com/bmw/showparts...79&hg=18&fg=95
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  #7  
Old 12-20-2012, 10:58 AM
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5seriesHB 5seriesHB is offline
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Quote:
Originally Posted by ND40oz View Post
The M Sport exhaust still has the exhaust valve, it's only the performance exhaust that doesn't, you can see on the parts diagram the it's not listed.

http://www.realoem.com/bmw/showparts...79&hg=18&fg=95
So the lack of the valve on the performance edition makes it louder/throatier?
Thanks rob
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  #8  
Old 12-20-2012, 01:11 PM
ND40oz ND40oz is offline
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Quote:
Originally Posted by 5seriesHB View Post
So the lack of the valve on the performance edition makes it louder/throatier?
Thanks rob
There's some other differences with the baffling I imagine, but when you start it up, you know it. The stock exhaust is very tame, night and day difference when you hear the two.

I think this video makes it sound a little too raspy, but you get the idea, it has a nice burble at idle.

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  #9  
Old 12-20-2012, 05:00 PM
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Here what the 2013 M performance 5.0 sounds like

i think there more of a noticeable difference on the 35 msport/mperformance than the 5.0
msport/mperformance

The 5,0 msport/mperformance sounds a little bit throatier than the reg Msport...IMO

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  #10  
Old 12-21-2012, 06:36 PM
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5seriesHB 5seriesHB is offline
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Smile

Anyone take some video of a cold start w performance package
35 or 5.0
Post em
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