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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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Old 04-26-2006, 01:35 PM
jpettit's Avatar
jpettit jpettit is offline
keep those wagons rolling
Location: Calgary, Canada
Join Date: Sep 2005
Posts: 208
Mein Auto: 1999 BMW 540i Touring
Air Conditioner/Heater Blower Replacement?

My heater and air conditioner blower makes a 'chirping' noise, not unlike a fan belt slipping from time to time. Seems to be more evident when the blower is at a lower speed. I'm thinking that it needs replacing. A couple questions:

1. What part do I need? I found this blower (part # 64118372493) at realoem (http://www.realoem.com/bmw/showparts...29&hg=64&fg=40)

2. Does anyone know of a write up to replace this part? I'm guessing I have to remove the dash?

My car is a 03/1999 540iT. Thanks.
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Old 04-26-2006, 05:49 PM
jwkde jwkde is offline
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Location: Delaware
Join Date: Sep 2005
Posts: 13
Mein Auto: 525i
I had mine replaced by the dealer (under warranty) They had it for 2 days, though the service ticket showed 3.38 hours.

The SA said it was a major job, Top of the dash had to come off as well as a fair number of other things

Good luck


2002 525i
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Old 04-27-2006, 08:44 AM
Ryan525i Ryan525i is offline
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Location: Louisville,Ky
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Mein Auto: Bmw 525i
Well looking at the page you listed the unit is $202.. I would jump on that!!!! I went to bavauto.com to see if i could find you part but they dont have it listed. they have the Blower Resisto on there for $71.95 thats all thier showing for your car. But having a 03
540i @ $202 isnt bad at all. My 92 525i blower motor runs $220. Mine is out as well. Plus I need a Heater Valve aswell that runs $140... I doubt your car is still under warranty though. But if you bought that extended that bmw offers get it fixed before it goes away
92 525i
01 330i
99 Trans Am WS6 (Just Sold)
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Old 04-27-2006, 12:07 PM
mdimbler mdimbler is offline
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Location: Lehi, UT
Join Date: May 2005
Posts: 66
Mein Auto: 1997 540i
Mine does the same thing every once on a while, though I have not had the time, money, nor the ambition to tear apart the dash and do something about it. Autohausaz.com lists the part for $116. I believe I have a write-up at home on how to replace it (or at least how to get the dash apart). Willl look for it later and repost.
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Old 04-27-2006, 12:31 PM
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hmr hmr is offline
Location: US
Join Date: Jul 2002
Posts: 1,126
Mein Auto: Bimmers
Originally Posted by jpettit
...Does anyone know of a write up to replace this part? I'm guessing I have to remove the dash...
I replaced the blower motor on my E46 for the exact same symptoms.

Replacement was done via the engine bay; the dash was left intact. As per the Bentley manual:

1. Remove housing for interior ventillation microfilter...
2. Remove heater bulkhead cover...
3. Remove intake manifold cover...
4. Working inside right side of cowl, pull up on lever and detach right intake air flap from blower housing.
5. Pry off blower cover retaining clips...
6. Remove blower retaining screws. Lift off cover.
7. Detach electrical harness connector.
8. Pry off blower motor retaining strap. Pull blower motor forward to remove...

I'd expect E39 and E46 designs to be similar in this regard. But, I could be grossly mistaken. Oh, and the cheapest price I found for my blower motor was ~$280 from Pacific BMW, including shipping, I believe.

Last edited by hmr; 04-27-2006 at 12:35 PM.
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Old 12-12-2008, 01:08 PM
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mgianetto mgianetto is offline
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Location: West of Chicago
Join Date: Jul 2005
Posts: 2,309
Mein Auto: 2012 550I M-Sport
Bring an old thread back to life. I was just told that this is the cricket sound I am hearing in my car. They said it will be $1250.00 on the light side. I wanted to tackle this my self but it looks pretty involved. I didn't see any other comments on the turnout from the OP.

Has anybody tackled this beast?
Go Blackhawks


I have learned that you shouldn't compare yourself to others..
they are more screwed up than you think.

RIP: 2000 540 Sport
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Old 07-05-2010, 04:23 AM
Plumb Plumb is offline
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Thank you Sir, I was going to remove the console, and drop the glove box to remove the blower motor. My wife got some debris in there, and the thing was buzzing like crazy.
I followed your way and had the blower motor out and cleaned in less than 10 minutes. I sure didn't want to waste hours going to the dealer for warranty work.
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Old 07-14-2011, 12:38 PM
Randy Fancher Randy Fancher is offline
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Location: Oklahoma City, OK
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Mein Auto: 1997 BMW Z3
it says to pry off the fan retaining strap, can anyone give me a little more specific on that, i have been prying on mine and it appears i am only bending it?
Randy under the shade tree
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Old 07-14-2011, 05:12 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Doing a /blower F3 in the bestlinks nets this which may help (see bold references first):

- What is the canonical thread on the BMW E39 FSU/FSR/Blower Motor Resistor (1) and what is the right brand FSR to purchase (1) (2) when your interior heating & air conditioning HVAC/IHKA blower motor goes haywire (1) (2) (3) (4) (5) (6) (7) (8) & how to repair your own final stage resistor including an autopsy & wiring diagram schematic (1) (2) and why a bad final stage unit will cause the battery to drain overnight (1) (2) (3) & how to isolate and replace the E39 blower motor (1) (2) (3) (4) (5) & how not to replace the FSU (1)
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Old 05-13-2012, 11:01 PM
turbotrana turbotrana is offline
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Location: perth
Join Date: May 2012
Posts: 1
Mein Auto: bmw
I did this job a few days ago and would like to relay my experience.
1.I thought I could put new brushes in the mtr. In my case the armature was completely worn so no point. Guys are selling brushes on ebay but you just need a complete new mtr

2. The BEHR mtr that I got sent from USA does not appear to be a balanced mtr. It vibrates too much to the point I would consider a OEM mtr. The mtr works OK but it definately needed a balance at the factory. Not good enough for a BMW. At lower speed it wont annoy you but at higher speed it does. Luckily a female drives the car so it wont bother her. But for guys you will notice it straight away.

3. Doing this job is quite easy but I got stuck on a couple of things. In the pictures you will see this rod. You have to slide it to the left to allow you to remove one of the covers. Just clip it with a screwdriver.

4. The cover where this rod goes into is a PITA to get off (for me it was). It can require a bit of manipulation but I still dont know of the right way to clip it off. The front clips are obvious but on the rear there a no clips but the plastic is moulded so it clips on in two places. I just found it hard.

5 Markers are your friend. Put different coloured marks on all screws and components and lines on the bits that need to be lined up. It will save you time.

6. There are two screw above the glovebox that are a bit hard to remove, I bent the lower dash down to get these screws out at an angle without having to go crazy undoing everything.

Its not as hard as you think.
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Old 12-05-2013, 03:09 PM
mnmink88 mnmink88 is offline
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Location: richmond,in
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Posts: 2
Mein Auto: bmw 525i
blower motor

I just replaced my blower motor on my bmw 525i 1990 i got a blower for $123 brand new from auto zone. but now my blower works and no heat idk why. just paid alot of money to get it fixed now just blowing cold air!! anyone know what is wrong now?
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Old 12-05-2013, 03:11 PM
mnmink88 mnmink88 is offline
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Location: richmond,in
Join Date: Dec 2013
Posts: 2
Mein Auto: bmw 525i
autozone $125
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Old 12-05-2013, 03:13 PM
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Burning2nd Burning2nd is offline
Under the lift arms
Location: Under the lift arms
Join Date: Aug 2010
Posts: 8,124
Mein Auto: E39 540, E36 328is, E83x3
Do your self a favor.. and deal with the sound until it stops working...

These bmw fans do this..
you can get years and years out of it still...
Specializing In BMW, Audi, Mercedes Benz ,Volkswagen, Volvo

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