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  #1  
Old 06-01-2018, 02:48 PM
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amanmavi is on a distinguished road
2012 X5 E70 cranks but doesn't start

Hi, I am new to this forum, tried searching for this problem but mostly its cold weather related issues that have been discussed.

Here is my story:

- 2012 X535i with 66k miles, second owner
- Parked the car at night, would not start in the morning - mild weather
- No errors are thrown, saw some Park brake or airbag related warning on the screen though
- Tried looking for the green relay at the back, but could not find one. I think this one has a Fuel Control Module instead (EKPM3)
- When I try to cank it, the fuel guage needle goes left to right
- Pump priming (hiss) at the unlock or door open is missing.

Not sure if this is the module issue or pump issue....or is there any other relay somewhere else.

Thanks
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  #2  
Old 06-01-2018, 10:38 PM
ard ard is offline
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Good battery, good charge?? No recent odd behaviors?
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Old 06-02-2018, 09:31 AM
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I am going to replace battery today it is original so may be going weak after 6 years.
I did charge it with m charger but same result.


Nothing else odd, always has a couple of turns with starter before it fires....ran strong the previous night - oddly I went to the BMW UDE event, she might have got envious of the new M5 AWD I drove and praised - parked at night and next day morning the problem started...
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Old 06-02-2018, 04:57 PM
ard ard is offline
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Something is telling me there have been two or three people with this sluggish or delayed starting that fixed it with a new starter...here or on bimmerfest...
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  #5  
Old 06-14-2018, 09:20 PM
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so this came out to be a problem with the Integrated Supply module (ISM).

Using the Foxwell NT520 Tool, it diagnosed issues with DME - Valvetronic relay.

As my truck is the E70N (facelift), it dosn't come with the relay but ISM and I could hear a ticking sound from it. Checking the various connectors, noticed one of them had a corroded terminal - maybe water entered and shot it.

Changed the module and it started fine.

Here is the link to the module.



Search result: 12637591534
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