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5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
i'm getting secondary air system codes on my 1998 528i. the codes are
>secondary air system Cyl. 4-6
>secondary air system Cyl. 1-3
i replaced the secondary air system pump and control valve reset the computer. it was ok for about 300 miles then the check engine light came back on. i tested it with the scanner and the same codes appeared. i'm in NYC where we had some bad weather recently. the temperature was at a freezing point for the past few months could that be the problem
can anyone help me out. what should i do first to check what could be the problem. i don't want to spend another $250 for a new pump just to see if this one works.
eric,
make sure the hose between the non return valve and pump is clear and not collapsed. When you changed the valve did you make sure there was no carbon buildup inside? HTH
Originally posted by njtech@Mar 22 2005, 09:37 PM eric,
make sure the hose between the non return valve and pump is clear and not collapsed. When you changed the valve did you make sure there was no carbon buildup inside? HTH
Steve
[snapback]316733[/snapback]
I did not check if there was carbon buildup inside the HTH what should i do know??
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