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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 02-07-2013, 02:27 AM
Chris.moore12 Chris.moore12 is offline
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Mein Auto: E39 M sport
Heater Fan on all the time

After 18 months off the road I've plugged a new battery into my 525 Diesel M sport 2002 to find the heater fan is on all the time even with the ignition turned off and the key removed. I ws going to remove the fuse 76 until I had a bit more information to find the problem but cant even find that. When the car is running the fan cant be adjusted.

Any help to find fuse 76 and to identify what has gone wrong here would be very much appreciated.
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  #2  
Old 02-07-2013, 02:59 AM
bmwoem1 bmwoem1 is offline
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Sounds like you gave a bad final stage blower resistor. It's behind right kick panel, towards center console
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  #3  
Old 02-07-2013, 04:02 AM
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Search FSU and you will have everything you need to know about this problem.
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  #4  
Old 02-07-2013, 05:42 AM
jygesq jygesq is offline
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www.540i6.com " They all do that" go to fsu. complete directions with photo GET FSU from dealer, NOT EBAY or you wil be on your back again.
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  #5  
Old 02-07-2013, 10:50 AM
Chris.moore12 Chris.moore12 is offline
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Ha, and there was I doing an ebay search!!

Thanks for all the advice.
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  #6  
Old 02-07-2013, 12:25 PM
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ECSTuning ECSTuning is online now
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If it's the resistor (most likely is) HERE is a little diy to help you in changing it. They are BMW part number 64116923204, and I have them available HERE


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  #7  
Old 02-07-2013, 08:29 PM
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Quote:
Originally Posted by Chris.moore12 View Post
Any help to find fuse 76 and to identify what has gone wrong here would be very much appreciated.
See this thread from this week for lots of pictures of fuse F76 and how to access it.
> E39 (1997 - 2003) > Detailed step by step diagnostic DIY ... dead battery ... parasitic current drain

But, read Fudman's comments in that thread (which I agree with) that you're better off pulling the FSU than pulling fuse F76 in most cases.

For more, see that thread (which has gory details).
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Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #8  
Old 02-08-2013, 01:04 AM
Chris.moore12 Chris.moore12 is offline
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Thanks very much, a new Fsu is now on order. Just one more question; I'm a little confused where the Fsu is on a right hand drive car, there seems to be conflicting information as to which kick panel it is.
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  #9  
Old 02-08-2013, 02:19 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by Chris.moore12 View Post
Thanks very much, a new Fsu is now on order. Just one more question; I'm a little confused where the Fsu is on a right hand drive car, there seems to be conflicting information as to which kick panel it is.
There are pictures of the exact location of the FSU on right-hand-drive cars in the canonical FSU thread (which I think the ECU team pointed you to).

Check there first (I have LHD so I can't help other than to point you to where the answer lies).
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Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #10  
Old 02-11-2013, 01:55 AM
Chris.moore12 Chris.moore12 is offline
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So having part done the job I'd thought I'd add some extra info that may help others.

Firstly the FSU is located on the drivers side so the pedals create an extra challenge to access it. I also removed the panel that sits above the pedals, its impossible to access otherwise.

And Lastly the part I'd ordered because it is listed for the 2002 525 M was the wrong one. mine is 64118383835.
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  #11  
Old 02-11-2013, 10:35 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by Chris.moore12 View Post
Firstly the FSU is located on the drivers side so the pedals create an extra challenge to access it.
If that's the case, a picture is de rigueur!
__________________
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #12  
Old 02-13-2013, 04:35 PM
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bluebee bluebee is offline
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Mein Auto: 02 BMW 525i M54 auto 130K
I was just now looking up the diagnostic resistance of the FSR when I realized pictures of the RHD vehicle FSR locations were already in the FSR threads, e.g.,
- Where is the FSU on European UK spec right hand drive (RHD) vehicles (1) (2) (3)

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Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need

Last edited by bluebee; 02-13-2013 at 04:36 PM.
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  #13  
Old 02-14-2013, 04:58 AM
Chris.moore12 Chris.moore12 is offline
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Mein Auto: E39 M sport
Having been chastised by Bluebee for not providing a picture when requested, if I can offer the excuse that the car has been at the body shop for a new front bumper so unavailable for shots.

More interestingly I've used an ABS plastic pattern bumper which cost a most reasonable £129 from ebay including the extra plastic parts for the fog lights and bump strip the PDCs are mounted in. I was a little worried about fixing and quality versus an OEM part but can report it really is very good and exactly the same as the original BMW part. I'll post a picture over the next few days as no doubt de riguer :-). Link to ebay part as below.

http://www.ebay.co.uk/itm/2610716660...84.m1439.l2649
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