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  #21  
Old 02-10-2019, 04:24 PM
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could this not possibly be a bad DME relay? are anybof the other relays in the electrical box identical such that he could swap out one for testing purposes?
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  #22  
Old 02-10-2019, 04:35 PM
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If I knew which one it was I wouldn’t mind switching it
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  #23  
Old 02-10-2019, 04:44 PM
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that's easy enough to figure out. you need to put your year and model number in your sig though. plenty of folks here can tell you exactly where to find it.
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2005 X5 3.0 - 71k mi (9.2018)
2003 X5 3.0 - 177k mi (9.2018) bequeathed to daughter and running like a champ!
1988 528e w/ Bullseye s256 / MS2 Extra / GC Coilovers / Yukon Coils ~ 300+ HP - SOLD to buy 'the ring'
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  #24  
Old 02-10-2019, 05:06 PM
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Does the dme always have a 12v supply even with key off?
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  #25  
Old 02-10-2019, 05:56 PM
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I've made some assumptions here, best you look with your VIN or build date, but it's a starting point.... pardon the pun. (newtis.info)
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  #26  
Old 02-10-2019, 06:36 PM
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I’m not the best at understanding diagrams. What are your assumptions? If it starts and I shut it back off it doesn’t do the fuel pump running problem. It’s very confusing.
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  #27  
Old 02-11-2019, 12:38 AM
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Well from tonightís findings. The dme relay is working properly. If you pull the relay the fuel pump and throttle body quit making noise. Plugging it back in kicks them on. IF you pull the plug out of the ecu and plug it back in. They both stop and will not act up again until the car will not start. SO something IS sending a signal to the dme relay while the car is off. Unplugging the power side and replugging STOPS whatever is causing the issue. I did this then pulled the dme relay back out to see if it would click. It did not. Still at a loss.

EDIT: after a little more research. Could this intermittent issue be a bad IVM?
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Last edited by Lityjohn791; 02-11-2019 at 01:25 AM.
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  #28  
Old 02-11-2019, 07:23 AM
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It's worth looking at the IVM.
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  #29  
Old 02-11-2019, 01:24 PM
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Canít seem to find it.
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  #30  
Old 02-11-2019, 01:56 PM
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I don't think 3.0 has one but the equivalent even if just wires. It feels like a bad connection is the problem here.

Have you checked into the ingniton switch? If the part that engages the fuel pump never shuts off that could be the problem. Check the different "T" values and make sure they change as they are supposed to.
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