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Solved ✔ HELP!---BMW 645i. 2004. Ignition. coil burning - - Printable Version

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+---- Thread: Solved ✔ HELP!---BMW 645i. 2004. Ignition. coil burning - (/showthread.php?tid=18337)



HELP!---BMW 645i. 2004. Ignition. coil burning - - bursuc - 19-09-2016

Hello all. CT friends

I have a problem with this bmw. Every time i try to start it happends to burn an ignition coil. I attach picture.
Ecu was a bit water damage
I get a different one. Still doing the same. Ignition coils get hot and hot and car not starting
Anyoane experience this ?


Thank you
Regards[Image: 6d643d8753989bf90564c785e6c7be4d.jpg]
[Image: 43e998ab334130e333eab4e8f9794e7d.jpg]
[Image: e95d383bf175134ed1563d846224355a.jpg]

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And the fuse for ignition coils is somethimes burning .... 8 am stumped and dont know where to go from here

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RE: HELP!---BMW 645i. 2004. Ignition. coil burning - - kakaka - 19-09-2016

Replace DME or repair DME IGBT fault


RE: HELP!---BMW 645i. 2004. Ignition. coil burning - - troubleshooter - 24-10-2016

Always cilinder 7?

photo's of ecu connector?


RE: HELP!---BMW 645i. 2004. Ignition. coil burning - - Rhyno92 - 26-10-2016

Oh my god!!!
Try to unplug this coil and than start the car.
if you post any information of car and dme i try to find wiring diagrams.


RE: HELP!---BMW 645i. 2004. Ignition. coil burning - - jaki - 27-10-2016

Is it only in Cyl 7?
If so, have you checked that sprak plug is ok?
Well, replace those (all) anyway for secure.


RE: HELP!---BMW 645i. 2004. Ignition. coil burning - - troubleshooter - 29-10-2016

(27-10-2016, 12:06 PM)jaki Wrote:  Is it only in Cyl 7?
If so, have you checked that sprak plug is ok?
Well, replace those (all) anyway for secure.



i never had a blown coil from a bad sparkplug,

this is hapening because of high / long time current true the coil(s)


RE: HELP!---BMW 645i. 2004. Ignition. coil burning - - bursuc - 01-11-2016

Sorted up. Wiring short circuit on the wires that go to ignition coil and DME burnt smile thanks all

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