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7 Series - E65 / E66 (2002 - 2008)
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  #26  
Old 04-17-2012, 10:51 PM
Ggreg Ggreg is offline
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Quote:
Originally Posted by Swif View Post
If it was a bad crank sensor then it would not start up with the other key like it did.


So I removed the IPS and found that fuse 3 was almost popped out.

What circuit does fuse 3 power on the IPS module? Who can get me a wiring diagram to review?

Thanks
Fuse 3 on the IPS feeds power to ignition coils for cylinder 1,2,3, & 4.
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  #27  
Old 04-17-2012, 11:06 PM
Ggreg Ggreg is offline
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Quote:
Originally Posted by Khabar View Post
What is the difference between Control unit power module (61 35 9 132 581) and Integrated supply module ( 12 52 7 510 638)?
The power module is located in the trunk and handles the following functions:
•Optimised charging
•Reduction of load-side peak consumption
•Shut-down of auxiliary consumer units
•Quiescent current monitoring
•Distribution mode
•Automatic electrical system isolation
•Load deactivation
Electronic circuit breakers
•Central battery voltage notification
•Heated rear window (demister)
•Interior lights
•Boot lid and fuel filler flap control
•Data memory
•Fail-safe characteristics
•Check Control messages
•Diagnosis

The IPS is located in the engine compartment under the right side cabin filter. It contains relays and fuses that distribute power to the major modules (DME, etc.) and components (injectors, etc.).
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  #28  
Old 04-17-2012, 11:52 PM
Bryan Aceron Bryan Aceron is offline
745i on 24"
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yes im having the same problems but no solutions yet .if you run across how to fix it post and send me a message
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  #29  
Old 04-18-2012, 06:49 AM
Swif Swif is offline
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Location: Yorba Linda
 
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Quote:
Originally Posted by Ggreg View Post
The power module is located in the trunk and handles the following functions:
•Optimised charging
•Reduction of load-side peak consumption
•Shut-down of auxiliary consumer units
•Quiescent current monitoring
•Distribution mode
•Automatic electrical system isolation
•Load deactivation
Electronic circuit breakers
•Central battery voltage notification
•Heated rear window (demister)
•Interior lights
•Boot lid and fuel filler flap control
•Data memory
•Fail-safe characteristics
•Check Control messages
•Diagnosis

The IPS is located in the engine compartment under the right side cabin filter. It contains relays and fuses that distribute power to the major modules (DME, etc.) and components (injectors, etc.).
Thanks for the info.

I only seen fuses on the IPS. I did not see releys on the out side of the IPS. this module sits in the front of the DME correct? Black in color.

I did have one not start yesterday. At first not action. Then after a few minutes the starter would click. I then waited afew more minutes and car started right up. Car sat for about 1 hour from last drive to when it would not start.
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  #30  
Old 04-18-2012, 07:14 AM
Ggreg Ggreg is offline
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Quote:
Originally Posted by Swif View Post
Thanks for the info.

I only seen fuses on the IPS. I did not see releys on the out side of the IPS. this module sits in the front of the DME correct? Black in color.

I did have one not start yesterday. At first not action. Then after a few minutes the starter would click. I then waited afew more minutes and car started right up. Car sat for about 1 hour from last drive to when it would not start.
That's the correct location for the IPS and the relays are inside of the module.

If it was your starter that clicked and the car didn't crank, it sounds like your starter is going out.
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  #31  
Old 04-18-2012, 08:31 AM
Swif Swif is offline
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Quote:
Originally Posted by Ggreg View Post
That's the correct location for the IPS and the relays are inside of the module.

If it was your starter that clicked and the car didn't crank, it sounds like your starter is going out.
I am starting to think the same. The problem I have is how random this is. when it happens I do not have a volt meter with me or I cannot get to the starter to perform voltage drops.
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  #32  
Old 04-18-2012, 11:57 AM
Khabar Khabar is offline
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Only way for DME get power is from IPS?
If there is voltage spike in the system IPS would privet DME from damage?

Does anyone has fuse diagram in IPS ?
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  #33  
Old 04-18-2012, 12:48 PM
sdrmiami sdrmiami is offline
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Integrated supply module part number 12 52 7 510 638

mine would allways stay on once it started but 50% of the time not start like yours.. i got mine for $100 easy swap
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  #34  
Old 04-18-2012, 02:13 PM
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jdcraw jdcraw is offline
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I ordered dashsoft to assist in diagnosis this weekend. It should arrive this week.

jdcraw
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  #35  
Old 04-19-2012, 09:24 PM
Bryan Aceron Bryan Aceron is offline
745i on 24"
Location: Pico Rivera
 
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Where is the Integrated supply module located
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  #36  
Old 04-20-2012, 07:07 AM
sdrmiami sdrmiami is offline
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Quote:
Originally Posted by Bryan Aceron View Post
Where is the Integrated supply module located

engine bay..

passenger side behind the strut tower located under the cabin filter..black box with 8 alin screws. remove the cover and the module is the one that has the fuses in it. if you wanna order the module let me know i can do $115 shipped to you
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  #37  
Old 04-20-2012, 07:14 AM
sdrmiami sdrmiami is offline
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here is a link to someone selling it on ebay.. its not me just used for pic

http://www.ebay.com/itm/BMW-e53-e60-...#ht_856wt_1140
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  #38  
Old 04-20-2012, 05:43 PM
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jdcraw jdcraw is offline
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So how can you tell if its gone bad?

jdcraw
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  #39  
Old 04-20-2012, 06:55 PM
sdrmiami sdrmiami is offline
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by replacing it..lol the problems your stating are the same ones i had. replaced it and good to go.
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  #40  
Old 04-21-2012, 03:58 AM
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jdcraw jdcraw is offline
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Lol good one. I will try replacing it

jdcraw
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  #41  
Old 04-21-2012, 07:32 AM
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jdcraw jdcraw is offline
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I've got the IPS removed and checked all fuses using a Bussmann and they all checked ok. Could the IPS still be bad? I don't want to spend the $$$'s if its something else. I have had fuel pump replaced recently, battery checked, alternator & starter checked, and 2 dealers cant figure it out. i have long slow stars & power surges. The dealer disconnected my TCU saying that was draining power but my symptons remain, any ideas?
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  #42  
Old 04-22-2012, 02:52 PM
sdrmiami sdrmiami is offline
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fuses are fine if they were bad it would never start, its the micro relays in the board that have gone bad and don't send signal to starter and trigger while driving.. replace it and you will no longer be frustrated..lol

open the box up (2 clips on each side and remove the fuses..) make sure you take a pic of where the fuses go..
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  #43  
Old 04-22-2012, 05:49 PM
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jdcraw jdcraw is offline
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Called the dealer to make sure they have an IPS, which they do. When I arrive to pick it up, their internet cable has be severe by construction work and they can't locate the part. For my inconvenience the will give me 15% off. I must wait until Monday to try new part

jdcraw
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  #44  
Old 04-24-2012, 07:04 PM
Swif Swif is offline
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So after driving to work the car would today I let the car sit for 6 hours. I went to start the car and no luck. I let the car sit for another 3 hours and tried to start. nothing. I kept trying to start the car and nothing. I let sit for 5 minuets and boom started right up. As I was pilling out of the parking structure the car shut off and trans fault showed up. I tried to start the car again and nothing for about 5 minutes. then boom car started up. I get home and let car sit for about 20 minutes and try to start again, nothing.

I let car site for 3 hours try to start, nothing. I can hear a click every time I try to start the car. I first thought this was the starter but was not to load of a click. I get the wife and have her try and start the car as I listen in the trunk and in the engine bay to see if I can locate the clicking to see if I race the power flow. The clicking is definitely not the starter. I could not hear anything in the trunk and not sure about the DME area. Almost sounds line under the car right center. I went to go to the center of the car and listen, boom car started right up. I shut the car off, turn of and on a few time and every time the car starts right up.

I am going to pick up an IPSM tomorrow or Thursday. I hope this is the culprit. I hate throwing parts at my cars and customer cars.
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  #45  
Old 04-24-2012, 07:42 PM
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N62B44 SGM N62B44 SGM is offline
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I saw I posted fuel filter before. I think I meant to have said, check your fuel pump. Have you looked into that? Mine clicked when it went out and took the module along with it.
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  #46  
Old 04-24-2012, 07:50 PM
Swif Swif is offline
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Which module did it take out?

when this happened to you I am assuming the car never started back up until fixed? I can hear the pump prime when the car has sat for some time.
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  #47  
Old 04-24-2012, 09:03 PM
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N62B44 SGM N62B44 SGM is offline
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I believe it's called the, SBSR. I forgot what it stands for but it's the fuel pump supply module.
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  #48  
Old 04-25-2012, 02:35 AM
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jdcraw jdcraw is offline
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I put in the new IPS and the slow start seems to be fixed. Thanks for that tip and easy fix. It still feels like there is a slight surge going on and oil light came on eventhough its full! It gave me a red car warning for this! What next?

jdcraw
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  #49  
Old 04-25-2012, 04:08 AM
crombo97 crombo97 is offline
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Quote:
Originally Posted by sdrmiami View Post
engine bay..

passenger side behind the strut tower located under the cabin filter..black box with 8 alin screws. remove the cover and the module is the one that has the fuses in it. if you wanna order the module let me know i can do $115 shipped to you
Is that new?? will you ship to me for $115
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  #50  
Old 04-25-2012, 09:44 AM
Swif Swif is offline
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Ordered IPSM. Will have it later today. Hope this takes car of my concerns.
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