Unfortunately we do not accept new members for free, Now Registration cost 30€, if you are interesting Send Email to [email protected]

Solved ✔ HELP!---BMW 645i. 2004. Ignition. coil burning -
19-09-2016, 16:22 PM, (This post was last modified: 19-09-2016, 16:23 PM by bursuc.)
Post: #1
HELP!---BMW 645i. 2004. Ignition. coil burning -
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]

Sent from my SM-G928F using Tapatalk

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

Sent from my SM-G928F using Tapatalk

Everything can be reverse engineer as long as is build by humans, when AI comes to place ...thats a different story
Quote this message in a reply
19-09-2016, 16:37 PM,
Post: #2
RE: HELP!---BMW 645i. 2004. Ignition. coil burning -
Replace DME or repair DME IGBT fault
Quote this message in a reply
[+] 2 users say Thank You to kakaka for this post
24-10-2016, 09:02 AM,
Post: #3
RE: HELP!---BMW 645i. 2004. Ignition. coil burning -
Always cilinder 7?

photo's of ecu connector?
Quote this message in a reply
26-10-2016, 21:59 PM,
Post: #4
RE: HELP!---BMW 645i. 2004. Ignition. coil burning -
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.
Quote this message in a reply
27-10-2016, 12:06 PM,
Post: #5
RE: HELP!---BMW 645i. 2004. Ignition. coil burning -
Is it only in Cyl 7?
If so, have you checked that sprak plug is ok?
Well, replace those (all) anyway for secure.
Quote this message in a reply
29-10-2016, 17:38 PM,
Post: #6
XZBMW  RE: HELP!---BMW 645i. 2004. Ignition. coil burning -
(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)
Quote this message in a reply
01-11-2016, 20:48 PM,
Post: #7
RE: HELP!---BMW 645i. 2004. Ignition. coil burning -
Sorted up. Wiring short circuit on the wires that go to ignition coil and DME burnt smile thanks all

Sent from my SM-G928F using Tapatalk

Everything can be reverse engineer as long as is build by humans, when AI comes to place ...thats a different story
Quote this message in a reply
[+] 2 users say Thank You to bursuc for this post


Possibly Related Threads…
Thread Author Replies Views Last Post
  2006 BMW X5 E53 Converted to coil springs-Need to delete "self leveling warning koziol 11 1,147 22-03-2024, 14:22 PM
Last Post: Gabriel87
  BMW E87 2004 CAS2 ELV problems ravager 2 166 06-12-2023, 16:23 PM
Last Post: ravager
  Solved ✔ BMW E87 no ignition lustek 7 535 24-11-2023, 17:59 PM
Last Post: lustek
XZBMW e91 2006 ignition light off redog4dy 5 283 24-11-2023, 08:34 AM
Last Post: redog4dy
XZBMW BMW E60 2004 M-ASK to CCC Retrofit atomantmk 22 3,301 21-11-2023, 06:27 AM
Last Post: jaki
  f25 n52 msv90 burning fuse f02 PsevDo 3 268 20-09-2023, 17:25 PM
Last Post: PsevDo
  bmw f15 air suspension to coil AbelF10 1 271 19-06-2023, 09:21 AM
Last Post: TheNine90
  Bmw mini not start .no ignition Manoj448 5 552 12-04-2023, 19:16 PM
Last Post: donjuan020
XZBMW G20 airbag fault 930C1F ACSM: Coding data record defective (number of ignition circui rana 2 443 09-04-2023, 07:06 AM
Last Post: Node
  CAS 3 bench with ignition coil xMoses 3 342 17-03-2023, 07:28 AM
Last Post: xMoses

Forum Jump:


Users browsing this thread:
1 Guest(s)

Return to TopReturn to Content