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5 Series DIY
Knowledge Is Power! ~ The place for do-it-yourself threads on a variety of topics. Start a thread describing a particular job (oil change, cooling system overhaul, brakes, shocks and springs, etc.) or search for one you need help with!

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  #326  
Old 11-14-2009, 07:47 AM
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gosee gosee is offline
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Location: San Diego
 
Join Date: May 2009
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Mein Auto: 1998 540i
thank you! anyone has a link to buy the FSU?


edit- got it! ebay.
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1998 540i loaded-- sold
2007 328i loaded
2008 Saab 9-3 2.0T

Last edited by gosee; 11-14-2009 at 07:50 AM.
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  #327  
Old 11-20-2009, 08:22 PM
Ironnerd Ironnerd is offline
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Location: North Carolina
 
Join Date: Nov 2009
Posts: 17
Mein Auto: 01 525i; '02 530i
FSU replacement

As others have already stated, this is an awesome DIY - thanks! I just replaced the FSU in my '01 525 to rectify a "possessed" fan control. However, the part I removed was the new style part. Do the new versions of the FSU also wear out or go bad? BMW should be embarrassed about this one...kinda like the design of the rear door vapor barrier window drain...
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'01 525i
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  #328  
Old 11-21-2009, 09:16 AM
stutterpivot stutterpivot is offline
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Location: Raleigh, NC
 
Join Date: Jun 2008
Posts: 1
Mein Auto: 2003 530i
Thanks for the detailed instructions. I lucked out. Parts Dept. was closed on Sat., so I just tried to see if I could remove the unit per your instructions and I did. After putting it all back together again, the blower began working again. (Not sure how long it will work, but I'm good for now!)
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  #329  
Old 11-25-2009, 09:26 AM
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gosee gosee is offline
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Location: San Diego
 
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Mein Auto: 1998 540i
got it
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1998 540i loaded-- sold
2007 328i loaded
2008 Saab 9-3 2.0T

Last edited by gosee; 11-27-2009 at 10:54 AM.
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  #330  
Old 11-28-2009, 01:28 PM
wentouch wentouch is offline
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Location: CA
 
Join Date: Nov 2006
Posts: 7
Mein Auto: 03 E39 M5
Hope everyone had a good Thanksgivings!

Assistance please. Please advise.

I decided to replace the FSU today and have already pulled the 5-prong plug and the FSU, in addition to the panels. However, there is also a small 3-prong plug with black and white wires that is attached to the 5-prong that had apparently detached from it's connector and I can't seem to find what it connects to. I don't see any 3-prong female to insert it too.

Can someone familiar with the process please explain where it inserts too! Thanks in advance.
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  #331  
Old 12-02-2009, 02:02 PM
isteel isteel is offline
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Location: UK
 
Join Date: Dec 2009
Posts: 1
Mein Auto: 530d
Elvis530i thank you for taking the time to post this article.

I bought a used 530d a few months ago and didn't realise it had a problem until yesterday when the fan stopped and never restarted.

I dreaded a large BMW bill to repair and checked the 'net - found this article, bought the part today from BMW (74) and spent 30 mins this evening on my knees fitting it.

It works like a bloody charm now! :-)

Thanks again for taking the time to post your excellent article - the photographs were invaluable.

Cheers mate!

Ian
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  #332  
Old 12-03-2009, 03:15 PM
smithk3933 smithk3933 is offline
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Location: North Carolina
 
Join Date: Aug 2003
Posts: 4
Mein Auto: 95 M3, 95 Porsche 993
I've had a dead battery twice now and AAA said there was a current drain. Took it to the dealer and there first diagnosis was that it needed the central command module for $550 part and $250 labor! When I challenged them and said this had better be the problem and not just swap a part and see if it fixes, the Service Manager said he was sure. Calls back two hours later with the good news that after checking again, it was the Final Stage Resistor. Hopefully this is the problem. Not cheap, but much cheaper than the other.

Has anyone who's had this problem had it drain the battery? SM claims when they fail that sometimes the fan will run very low speed even with key out of ignition.

Seem reasonable?

Keith
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  #333  
Old 12-09-2009, 10:27 PM
02BMW_X5 02BMW_X5 is offline
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Location: Minnesota
 
Join Date: Jul 2009
Posts: 11
Mein Auto: BMW X5
The heater is not blowing warm air. The air is cool, but not cold; considering that the temperature outside is below zero degrees. What could be the cause of this? I have yet to bring the car in for a diagnostic test but I want a few pointers before I do so.

NOTE: THE A/C DOES WORK.
It's happening to my 02' X5.
Could it be the same problem that everyone else has experienced? (FSU)?
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  #334  
Old 01-05-2010, 05:23 PM
E_DUB33 E_DUB33 is offline
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Location: Chicago, IL
 
Join Date: Mar 2009
Posts: 9
Mein Auto: 03 BMW 745LI
Well this is the issue I am having and will order the part this week and install this weekend, great post
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  #335  
Old 01-07-2010, 10:59 PM
mco49 mco49 is offline
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Location: Canada
 
Join Date: Jan 2010
Posts: 2
Mein Auto: 330ci and X5
blower resister

hey has any one replaced this part on a 2003 x5
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  #336  
Old 01-12-2010, 05:33 PM
Schmindy Schmindy is offline
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Location: Suburban Philadelphia
 
Join Date: Jan 2010
Posts: 4
Mein Auto: X5
I wanted to say THANK YOU for your step by step instructions and pictures. You made the job extremely easy!! The only thing that confused me was that I was looking under the glove box to remove the cover when it is actually a carpeted piece that runs from the corner of the passenger front foot well area back along the center console.

Anyway, thank you again very much!!
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  #337  
Old 03-08-2010, 05:01 PM
toddjoh toddjoh is offline
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Location: Guthrie,Oklahoma
 
Join Date: May 2006
Posts: 18
Mein Auto: 2000 z3
Elvis, you are the king.
i just did the swap and it was only with your helpful photos that I would have been able to complete it. It really is easier to feel your way once you see it because you really can't see it and reach in to do anything. You will have better ergonomics facing it upright.
The replacement is much smaller length wise. My biggest trouble was getting the orientation of the replacement when installing.
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  #338  
Old 03-10-2010, 10:53 AM
jb2001 jb2001 is offline
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Location: uk
 
Join Date: Sep 2009
Posts: 2
Mein Auto: BMW E46
Question

I need to change mine aswel , thnx for the grate post man . Hope it is going to be the same for my E46 ,316i - 2001 (right hand drive)
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  #339  
Old 04-03-2010, 04:57 PM
dogfeet dogfeet is offline
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Location: Missouri
 
Join Date: Apr 2010
Posts: 17
Mein Auto: 2001 525i and 2006 325CI
" Thank you. Thank you very much!"

Great post! I immediately ordered the part after reading your extremely good post, and can't wait to execute my first DIY project on my 525i Wagon! The car is going to need more work, and I look forward to reading all of the great posts here!
Thanks!
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  #340  
Old 04-03-2010, 08:15 PM
thebside thebside is offline
thebside
Location: Virginia
 
Join Date: Nov 2009
Posts: 10
Mein Auto: 540i & 318ti
New guy, old problem

I just wanted to share with the Bimmerworld that I have found the issue of my always dying battery in my '01 e39. I've just replaced the secondary vacuum pump and valve which were giving me codes. I didn't test the pump after I pulled it but I did test the valve which seemed fine. No matter, the codes have not returned and the valve only cost $50. I had hoped that maybe my pump was running continuously and that would be causing my dead battery problem. It only took one day to find out that that wasn't the issue. Dismayed, I came up with the notion of removing 3/4 of the fuses and testing it that way. Luckily I was too lazy for all of that. Tonight while waiting for my son at the metro, I notices that my fan was still blowing in the rear passenger compartment. I'm sure that a constantly running fan is not a good thing. So I got online, googled and it brought me back here. I'm so excited. I only wish I could buy this part tonight. I would install the thing immediately. I love my car. I love it even though I must jump it everyday. I'll love it even more when it's running and starting like it should.

paz y amor
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  #341  
Old 04-08-2010, 05:32 AM
Heinekenlover10 Heinekenlover10 is offline
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Location: Somerville,MA
 
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Mein Auto: 2003 Dinan M5
BSIDE Did you find the FSU online or from a dealer. Mine is going out and wanted to get it ordered so I can replace it soon.

Thanks
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  #342  
Old 04-08-2010, 09:00 PM
thebside thebside is offline
thebside
Location: Virginia
 
Join Date: Nov 2009
Posts: 10
Mein Auto: 540i & 318ti
I got mine at bavauto.com. They have most every thing. I do have to say that 15 minutes is a huge exaggeration. I've just given up for the night after maybe an hour. I'm not the most competent mechanic but my car looks not a whole lot like the images I've seen. Maybe I have an e39.2 or something. Anywho, good look with yours. I'm going to wait till Saturday's DIY sponsored event from my local club chapter.
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  #343  
Old 04-10-2010, 01:55 AM
bfs bfs is offline
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Location: Iceland
 
Join Date: Apr 2010
Posts: 15
Mein Auto: BMW 520ia 2003
Great instructions!

Thank you for the instructions. My A/C-heater blower started acting strange going completely dead (although all the instruments seemed to work) and then the next day going back on. I did the replacement and it took me 15 min. Everything seems to work fine now.
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  #344  
Old 04-12-2010, 09:46 PM
Tiz540 Tiz540 is offline
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Location: Miami
 
Join Date: Feb 2010
Posts: 8
Mein Auto: 540i
I just fixed mine yesterday. It took me roughly ~30 minutes. The only tools i used were the screwdriver from the toolkit and a mini flashlight

If I had to do it again it would take anywhere from 5-20 minutes depending on how good/lucky you are at pulling the old unit out and the more difficult putting the replacement back in. The longer it takes, the more frustrating it gets and at around 20 minutes you start to develop a case of alligator arms.

I was lucky and I didn't need to end up ordering a new FSR because removing it and putting it back in was good enough to fix my problem for now. Mine was apparently already replaced as well.

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  #345  
Old 04-13-2010, 05:49 PM
thebside thebside is offline
thebside
Location: Virginia
 
Join Date: Nov 2009
Posts: 10
Mein Auto: 540i & 318ti
It actually took me only 15 minutes when I got to a proper environment for working on a car. My garage is too crowded and I couldn't get to the passenger side to stretch out like I needed to. Very easy repair that most anyone could do... even me. My car is starting every time I try. It's running perfectly now. I even dusted this M3 yesterday (that had nothing to do with the repair but I felt it was worth mentioning).
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  #346  
Old 04-15-2010, 07:20 PM
fullington99 fullington99 is offline
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Location: Cinci
 
Join Date: Apr 2010
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Mein Auto: 2000 528i 95 525i
Isn't it a shame that this thread is going strong many years later? Thanks for the original instructions! Just replaced in my 2000 528i which had the original part. It is very far forward towards the firewall, and I was finding it very difficult to release the FSU tab and pull out the FSU at the same time. I put the wire plug back on, released the tab, and was able to gently pull on the wires to pull the whole FSU out. Much easier to do and it slid out very easily - no real stress on the wires. Cured all my fan problems.
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  #347  
Old 05-08-2010, 11:08 AM
Chiller119 Chiller119 is offline
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Location: Flrida
 
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Mein Auto: 525i
Saved from going to the Dealer

1000 Thank You's to Elvis...this post is still going...The Part was $70.14...installation was a little difficult for a large guy but duable. Once I removed the Fabric panel, it took about 10 minutes to complete.

What a relief and a gigantic money saver !
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  #348  
Old 06-15-2010, 10:49 PM
raphyb63 raphyb63 is offline
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Location: Virginia Beach
 
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Mein Auto: 1999 540i sports
I would try replacing the FSR!

I wish I would it found this info earlier, the BMW dealer in Virginia Beach, VA (Checkered Flag) made me expent over $6,000 in a 3 years period and the battery drainage problem was never solved, I summit a complaint with BMW USA and their replied was that they were going to investigate but 2 years passed and nothing happen....thanks
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Last edited by raphyb63; 06-15-2010 at 10:57 PM.
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  #349  
Old 06-17-2010, 11:43 AM
advertisehere advertisehere is offline
pancakes?
Location: Belmont, CA
 
Join Date: Dec 2009
Posts: 72
Mein Auto: '96 328i sedan
Seriously guys, before you replace the FSU, try this:
http://www.bimmerfest.com/forums/sho...d.php?t=309399
It worked for me (just be very careful not to damage any part of the circuit board.
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  #350  
Old 06-23-2010, 11:48 PM
buckleygr buckleygr is offline
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Location: London
 
Join Date: Jun 2010
Posts: 3
Mein Auto: 2000 330D
I followed the advice of ELVIS530i who convinced me that the faulty blower on my 330D was due to a faulty FSU. He was correct but I got the BMW main dealer to replace it. they called in the Blower Resistor.

Immediately after it was done the Parking Aid doesn't work. Of course the dealer says it cant be anything they've done. But could they have affected the wiring to the dashboard "beeper" when changing the FSU/Blower Resistor?
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