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Old 12-24-2012, 06:28 PM
kmorgan_260 kmorgan_260 is offline
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Location: Salem, WV
 
Join Date: Jul 2010
Posts: 750
Mein Auto: 1997 528i
I haven't worked on an e34 but had similar problem with e36. On my car the pump and sender have separate wires. There are four wires in the plug - two go to the sender and two to the pump. I suggest you double check the pump connection since I agree with what BMR LVR said. If you have power to the connector and you know the pump works then it should run. From what you describe I would suspect the relay. If it works with the terminals jumped as BMR LVR suggested then the relay is bad. I would use a fuse on the jumper for the relay just in case you connect the wrong terminals or if there is a short somewhere. Good luck!
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94 318I (Daughter's car), 96 740IL(current project), 97 528I(DD), 07 335I(Son's car)
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