Thread: Secondary air system
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  #29  
Old 09-17-2015, 10:30 PM
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hunds02 hunds02 is offline
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Location: Cleveland, Ohio
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I am well aware. As mentioned earlier I replaced all secondary air system components except for the air pump as the pump. David X5, you may be confusing the primary and secondary air system. If the valve stays open the exhaust goes to the air pump and causes premature failure. It does not reach the primary air intake
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2005 BMW X5 3.0i
2013 BMW M3 Competition
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