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#1
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Secondary Air Pump, purpouse.?
My secondary air pump is failing. When it i start the car in the morning, it winds up and makes a high pitched whining noice. It seems it still running, but i guess it will fail eventually. My question is: Living in Norway, other European versions of e 53 do not have the secondary air pump installed at all. I have, since my car is a Us version. Is the secondary air pump a sort of national demand.? Is it possible to just unistall the air pump.? Stock Photography, Vector Art and Video Forums | iStock |
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#2
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I think the secondary air pump is to help control the emissions. I could be wrong?
To remove it off a US born X5 would probably need to remap the ECU. Might be better off to just replace the pump?
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"I can’t understand it. I can’t even understand the people who can understand it" Queen Juliana (1909-2004), of the Netherlands "If you choose not to decide, you still have made a choice!" 2004 X5 4.8is Imola Red-228K ZF-GA6HP26Z-Sold 2006 X3 3.0i Mystic Blue-175K, ///M pkg 6-Spd Manual- Trading in 6/10/17 for a Mini too! 2003 Silver X5 3.0- sold 2000 VW Beetle 1.8 turbo-165K- Totaled 9/11/16 |
#3
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That could be.
I think maybe the pumps are a bit expensive, not to mention the work replacing it. I was hoping I could avvoid the cost by simply removing it. It only runs for a short while during startup, and as it is not fitted for european m54 engines, i thought maybe a removal would be okey.. Maybe i`ll try and unplug it for a while, to see if any codes arise..? |
#4
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Remove and plug the vacuum line that switches the pump on/off and you should be all set to see if it throws codes. I think you'll find a host of them because it is a big part of the emissions system. I saw a post somewhere where a guy had removed the pump, stripped and lubed it and reinstalled it. It seemed to work fine thereafter.
GL.
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