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Old 01-27-2013, 09:20 PM
ztitans1 ztitans1 is offline
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Location: Texas
 
Join Date: Apr 2011
Posts: 67
Mein Auto: 1997 528
Quote:
Originally Posted by georgeflint View Post
I have a 2005 545i and am getting a P0492 fault. I believe that the pipe is cracked that goes from the secondary injection pump to the valve on either side of the back of the engine. P0492 would lead me to believe the problem is on the drivers side. I can hear the pump come on when the engine is first started and believe that I can hear air leaking from the pipe. Has anyone replaced this pipe and is it possible to do it without removing the intake manifold. It is very tight where the pipes connect to the valves. If the intake needs to be removed, what gaskets will I need and what else should I consider replacing while I am at it.

Thanks in advance for any advise.
I did this on my 528. I imagine the repair is similar. The pump on mine is behind the inner lining of the front passenger side wheel. After removing the cover the pump is easily accessible. I bought a section of comparable diameter hose that was flexibile enough to route and made the connections between the pump and the metal tube it attaches to next to the exhaust manifold. Problem solved.
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