Bimmerfest - BMW Forums - View Single Post - How does the BMW E39 sucking jet pump (aka suction jet pump) work & how does it fail?
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Old 11-08-2011, 04:45 PM
MightyShilling MightyShilling is offline
Glutton for Punishment
Location: Littleton, CO
Join Date: Oct 2011
Posts: 55
Mein Auto: 2000 540it, 1988 951S
Yup. looks good to me (your diagram with the arrows). Basically, in your diagram, to "vacuum manifold port" goes to the PCCV valve on the back of the M62TU. I replaced the PCCV valve searching for a smoking condition. while replacing, the SJP just came apart into 2 pieces. I put it back together and forgot about it. a couple weeks later, I'm still chasing the smoking. I replace the PCCV valve AGAIN with an OEM part. also reseal the manifold and various other vacuum parts because a friend who's a BMW Master Tech is convinced it's a vacuum issue. while re-sealing the manifold, this damn thing came apart again... I remember to put it on my needed parts list. start the car today, damn things smokes. I get pissed. call my master tech friend, he's convinced I screwed something up, tells me to smoke it and look for a vac leak. In the mean time I order this. when looking at the diagram as to how it's installed, I realize it hooks up to the manifold, and is a source of a vac leak. so we'll see if it's the cause of my smokey start. Here's to hoping...

Last edited by MightyShilling; 11-08-2011 at 04:46 PM.
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