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  #201  
Old 09-10-2014, 10:44 AM
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Congrats and welcome back to the family of 4.8is owners. Here is to a long long life to your X5 and its new lease on life.

Stay away from traffic accidents!
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  #202  
Old 09-10-2014, 11:59 AM
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Quote:
Originally Posted by SlickGT1 View Post
I thought the 4.8is didn't have a secondary air pump.
There is a secondary air pump below the engine on the air filter side to help with emissions. Whether or not they actually call it a "secondary" air pump is beyond me. I call it that due to its purpose and from the other 3 BMWs I've owned.
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  #203  
Old 09-11-2014, 08:41 AM
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Quote:
Originally Posted by Bnagy4.8 View Post
There is a secondary air pump below the engine on the air filter side to help with emissions. Whether or not they actually call it a "secondary" air pump is beyond me. I call it that due to its purpose and from the other 3 BMWs I've owned.

http://prodcds.bmwuniversity.com/lib...e%20Update.pdf
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  #204  
Old 09-11-2014, 11:43 AM
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Originally Posted by BigBlack48is View Post
Yup, like I said. Secondary air pump not part of n62. I say this after owning 2 other BMWs.

I am just curious what they replaced.
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  #205  
Old 09-11-2014, 03:02 PM
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Quote:
Originally Posted by SlickGT1 View Post
Yup, like I said. Secondary air pump not part of n62. I say this after owning 2 other BMWs.

I am just curious what they replaced.
Oh I see, they didn't replace the air pump, just rebuilt the HVAC lines I believe, one had cracked apparently letting out noise.. Who knows but problem is solved!
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