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7 Series DIY
Do It Yourself forum dedicated for 7 Series BMW Owners

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  #1  
Old 12-21-2014, 01:52 AM
ky_uk ky_uk is offline
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Location: UK,Cheshire
 
Join Date: Jan 2014
Posts: 20
Mein Auto: E65 736i
Angry Please dont ignore this i realy need help

Hello everyone


I am suffering badly with my E65 730i this year its cost me 4745 with running cost and maintenance, with the new problem I am finally ready to crack and sell the car.

The problem I have now is I parked the car went shopping came back started it and then POW!!! System safety failure, seatbelt tensioner failure, airbag failure, also transmission failure only remain in P, transmission failure drive moderately, also cruise control failure, and to top it all of the wipers started and wouldn't stop because the wiper stalk had failed also.

So!!!! I called the AA / Breakdown truck, the guy said it was a bad battery and it was giving of a low voltage that was causing the faults, I had the battery replaced and all the lights reset 3 days later.

POW!!!!! System safety failure, seatbelt tensioner failure, airbag failure, also transmission failure only remain in P, transmission failure drive moderately, also cruise control failure, and to top it all of the wipers started and wouldn't stop because the wiper stalk had failed all this for the second time.

Woke up the next day and everything had gone except for the system safety failure, seatbelt tensioner failure, airbag failure, but the car drives fine.

I just cant see it being anything mechanical and it seems to be an electrical fault or sensor failure can someone please reply this time last time I asked a question I was ignored.

Last edited by ky_uk; 12-21-2014 at 05:15 AM.
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  #2  
Old 12-21-2014, 02:26 AM
TamerS TamerS is online now
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Location: Riverside
 
Join Date: Oct 2014
Posts: 52
Mein Auto: BMW 535xi
When you had the battery replaced, did you have it coded? That could be a possibility of the issues from what I've read in other posts.

Good luck, hope you can get this fixed!!
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  #3  
Old 12-21-2014, 02:45 AM
ky_uk ky_uk is offline
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Location: UK,Cheshire
 
Join Date: Jan 2014
Posts: 20
Mein Auto: E65 736i
Thanks for the reply yes it was coded I have just been out to look at the car and all the faults have gone except for the passenger safety system failure, this is crazy how this keeps happening.

I can only guess that a seat occupancy sensor has shorted out and is shorting other things out ?

Last edited by ky_uk; 12-21-2014 at 02:57 AM.
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  #4  
Old 12-22-2014, 06:30 AM
riff riff is online now
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Location: Portsmouth
 
Join Date: Oct 2009
Posts: 60
Mein Auto: 745i
Did you download any codes, clear them, and get new ones on the recurring failures?

Do you have any history on the car?

Other than that the first thing that comes to mind is Integrated Supply Module issues. For lack of a better way of putting it the ISM is sort of center point for all of your electronics. Replacing it is a 10 minute fix (if that is the problem).

You need the codes and the car history as a start.

Try reading this for a start (see post #23 for pictures):
http://www.bimmerfest.com/forums/sho...d.php?t=526422

And this is the part:
http://realoem.com/bmw/showparts.do?...62&hg=12&fg=35

Some pricing:
http://www.amazon.com/BMW-Integrated.../dp/B00AG39RRS

Last edited by riff; 12-22-2014 at 07:20 AM.
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