Welcome to Bimmerfest -- The #1 Online Community for BMW related information! Please enjoy the discussion forums below and share your experiences with the 200,000 current, new and past BMW owners. The forums are broken out by car model and into other special interest sections such as BMW European Delivery and a special forum to voice your questions to the many BMW dealers on the site to assist our members!

Please follow the links below to help get you started!

Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

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

Reply
 
Thread Tools Display Modes
  #1  
Old 07-15-2008, 12:03 PM
John@AstigRacing John@AstigRacing is offline
Past Sponsor
Location: SoCal
 
Join Date: Feb 2008
Posts: 501
Send a message via MSN to John@AstigRacing Send a message via Yahoo to John@AstigRacing
Mein Auto: 2000 528i Sport
Fan clutch & fan <== is it time for replacement?

hi all-- my 2000 528i is now aproaching 95k miles. is this a good time to replace the fan and fan clutch? my fan and fan clutch looks to be in good condition but i need you guys to tell me if it's time for replacement.

fyi: there are no signs of temperature issues and what not. i just saw a member's hood badly damage due to a fan failure.

thanks,
john
Reply With Quote
Ads by Google
  #2  
Old 07-15-2008, 12:06 PM
cn90 cn90 is online now
Officially Welcomed to the 'Fest
Location: Omaha NE
 
Join Date: Mar 2006
Posts: 12,834
Mein Auto: 1998 528i 5-sp 140K+
In one word: YES.

Take the opportunity to do a COOLING SYSTEM OVERHAUL. You are sitting on a time-bomb.

Here is the DIY:

http://www.bimmerboard.com/forums/posts/199986
http://www.bimmerfest.com/forums/sho...d.php?t=213002
Reply With Quote
  #3  
Old 07-15-2008, 12:16 PM
jieg jieg is offline
Ivan
Location: Mexico
 
Join Date: Feb 2008
Posts: 631
Send a message via MSN to jieg
Mein Auto: 525i 2003
I would replace it, no doubt. While you are at it, change the waterpump and thermostat, and cooling fluid. inspect all hoses, fan blades

do not wait for trouble, it is cheaper to prevent than to repair with e39.

The problem with the cooling system is one of the above items fails, leads to problems in all of the others, trust me, I have been there last month.

good luck
__________________
---------------Ivan
Reply With Quote
  #4  
Old 07-15-2008, 01:18 PM
emPoWaH emPoWaH is offline
Officially Welcomed to the 'Fest
Location: Los Angeles, CA
 
Join Date: Dec 2002
Posts: 423
Mein Auto: E39
**delete**

Last edited by emPoWaH; 07-15-2008 at 01:23 PM.
Reply With Quote
  #5  
Old 07-15-2008, 01:22 PM
emPoWaH emPoWaH is offline
Officially Welcomed to the 'Fest
Location: Los Angeles, CA
 
Join Date: Dec 2002
Posts: 423
Mein Auto: E39
Yeah, it needs to be replaced.

All of the cooling system, except for the fan clutch (which, at the time, was "okay" according to the mechanic), was replaced on our 2000 528i at 90K miles. By then, the radiator had developed a small leak and the thermostat was stuck open, throwing me SES codes about low coolant temperature.

Then at 100K, I noticed a rumbling sound coming from the fan area. Replacing the fan clutch fixed that. Do it all at once. Saves you on labor, too.
Reply With Quote
  #6  
Old 07-15-2008, 03:01 PM
John@AstigRacing John@AstigRacing is offline
Past Sponsor
Location: SoCal
 
Join Date: Feb 2008
Posts: 501
Send a message via MSN to John@AstigRacing Send a message via Yahoo to John@AstigRacing
Mein Auto: 2000 528i Sport
thank you all.

i calculated everything, it will cost me between $650-$750 on parts alone. i will be doing this cooling system job myself after i get all the parts needed.
Reply With Quote
  #7  
Old 07-15-2008, 03:17 PM
mhughett mhughett is offline
Officially Welcomed to the 'Fest
Location: Tulsa
 
Join Date: Apr 2007
Posts: 462
Mein Auto: 2003 530i/2007 Z4 Coupe
I dunno, I had a fan clutch on my 325i that lasted over 200k and is still just fine. Personally, I think a lot of the problems are really caused by failed waterpumps that cause the fan clutches to do the damage to the car. The fan clutches get the blame when it was actually the water pump that caused the problem.
__________________
2003 530i 5-speed, SP, PP, CWP, Xenon
Bilstein Sports
UUC short shifter with DSSR and ZHP shift knob
Michelin Pilot Sport A/S
BSW IQ speakers, Sirius
CDV delete
Huper Optik tint

2007 X3 3.0si
6-speed manual, CWP, Xenon, Cft. Seats, Premium Pkg, Sirius, Privacy glass
Reply With Quote
  #8  
Old 07-15-2008, 07:59 PM
cn90 cn90 is online now
Officially Welcomed to the 'Fest
Location: Omaha NE
 
Join Date: Mar 2006
Posts: 12,834
Mein Auto: 1998 528i 5-sp 140K+
mhughett,
I agree with your statement but there are members here who have fan clutch toasted at 100-120K.

Fan Clutch: $95.
Fan Clutch failure: $3K damage: fan blades flying, hood damaged, paint/body work etc etc.

Not worth it to keep the fan clutch after 100K miles, in my opinion.

Search the forum using terms: "fan clutch seized hood".

http://www.bimmerfest.com/forums/sho...an+clutch+hood
http://www.bimmerfest.com/forums/sho...d.php?t=235823

---------
astigracing,

Waterpump: I use HEPU brand as in the write-up; if not sure use only dealer WP; Geba can leak.
Fan Blade: Stay away from "MTC" brand it is garbage. I tried to save a few dollars by using "MTC" Fan Blade, it cracked after one year. Use only Dealer Fan Blade.
The rest: use the brands in my write-up.

Last edited by cn90; 07-15-2008 at 08:02 PM.
Reply With Quote
  #9  
Old 07-15-2008, 08:04 PM
dannyc9997's Avatar
dannyc9997 dannyc9997 is offline
Officially Welcomed to the 'Fest
Location: Massachusetts
 
Join Date: May 2008
Posts: 4,377
Send a message via AIM to dannyc9997
Mein Auto: 540i
I think my clutch has 140k on it...will be doing the rad and water pump soon cant do the rest due to lack of funds lol
Reply With Quote
  #10  
Old 07-16-2008, 06:38 AM
John@AstigRacing John@AstigRacing is offline
Past Sponsor
Location: SoCal
 
Join Date: Feb 2008
Posts: 501
Send a message via MSN to John@AstigRacing Send a message via Yahoo to John@AstigRacing
Mein Auto: 2000 528i Sport
cn90-- thank you.
Reply With Quote
  #11  
Old 07-16-2008, 10:58 AM
jieg jieg is offline
Ivan
Location: Mexico
 
Join Date: Feb 2008
Posts: 631
Send a message via MSN to jieg
Mein Auto: 525i 2003
radiator Bher at this place, I purchased mine there. I think it was a good price


http://cgi.ebay.com/ebaymotors/ws/eB...065174180&rd=1
__________________
---------------Ivan
Reply With Quote
  #12  
Old 01-22-2009, 01:24 PM
E39530i E39530i is offline
Registered User
Location: new york
 
Join Date: Jan 2008
Posts: 56
Mein Auto: 01 530i
i have my cooling system all apart now after reading the DIY link above and im all ready to order parts...But i have some questions about the thermost. I have a 2001 530i and not 97 528i and when i took the thermostat housing apart it was different than in the write up the thermostat and housing are together as one unit it seems.I also looked on autohaus.com to find the thermostat and they had the dual thermostat and housing for my car and not seperate....My question is do i buy this thermostat and housing and if so how do i or do i at all have to drill the small hole in thermostat? also were do i get the HEPU waterpump for my car.
Reply With Quote
  #13  
Old 01-22-2009, 01:32 PM
cn90 cn90 is online now
Officially Welcomed to the 'Fest
Location: Omaha NE
 
Join Date: Mar 2006
Posts: 12,834
Mein Auto: 1998 528i 5-sp 140K+
Quote:
Originally Posted by E39530i View Post
i have my cooling system all apart now after reading the DIY link above and im all ready to order parts...But i have some questions about the thermost. I have a 2001 530i and not 97 528i and when i took the thermostat housing apart it was different than in the write up the thermostat and housing are together as one unit it seems.I also looked on autohaus.com to find the thermostat and they had the dual thermostat and housing for my car and not seperate....My question is do i buy this thermostat and housing and if so how do i or do i at all have to drill the small hole in thermostat? also were do i get the HEPU waterpump for my car.
1. 97-98 528i used mechanical thermostat.
99-2003 5series used electrical thermostat. So you are correct, buy the thermostat+housing (as a combo unit) for your car.

Get a long drill bit, put a small masking tape on so you only drill 2mm (to avoid drilling the housing) and drill slowly at 12 o'clock position.

2. http://www.eeuroparts.com/Main/PartsResults.aspx
carries HEPU Waterpump for $62.00.
I have had HEPU WP now for 3 years, knock on wood no problem at all.

I just saw that http://www.eeuroparts.com/Main/PartsResults.aspx carries Febi Fan Blade.
That is good brand. Febi is good.

HTH!
Reply With Quote
  #14  
Old 01-22-2009, 08:54 PM
chivas's Avatar
chivas chivas is offline
You Lick It, You Own It
Location: Under The Bridge
 
Join Date: Aug 2002
Posts: 14,424
Send a message via ICQ to chivas Send a message via AIM to chivas
Mein Auto: 98 540i/6
i would skip on the mechanical fan clutch and the fan blade and just invest in an electric fan. reduces stress on the water pump
__________________
americandan.com

It takes a lot of work to be lazy.
Reply With Quote
  #15  
Old 01-22-2009, 09:13 PM
E39530i E39530i is offline
Registered User
Location: new york
 
Join Date: Jan 2008
Posts: 56
Mein Auto: 01 530i
OK so i still drill the hole...i should have asked before but what is the purpose of drilling the hole and why is there not a hole already in the thermostat???

My fan blades seem to be in perfect condition so i wasn't going to replace them...i did replace the clutch thou.I wasn't going t replace the Reservoir either because it looks like its in perfect condition at least from the outside.
thanks alot

Also im not sure what coolant to get when i drained it it cane out blue.Do i use this blue stuff?

Last edited by E39530i; 01-22-2009 at 09:24 PM. Reason: forgot to write
Reply With Quote
  #16  
Old 01-22-2009, 09:26 PM
shabbaman shabbaman is offline
Officially Welcomed to the 'Fest
Location: New Jersey
 
Join Date: Dec 2002
Posts: 1,128
Mein Auto: e38 e39
do the fan clutch. Isn't it worth the $100 to not worry about a dented hood, cut hoses, belts and all the other parts that get ruined if the fan explodes?
__________________
2003 530i 5sp
Bilstein HD
Powerflex UCA bushings
CDV Delete
M5 Rear Sway
Rogue WSR & Short Shifter
Rogue Tranny Mounts
Euro Armrest
Aspheric side mirrors
Custom Dension iPod mount
Bluetooth


2001 740i Short Sport
Completely stock...for now
Reply With Quote
  #17  
Old 01-22-2009, 11:09 PM
bmwmedic2 bmwmedic2 is offline
Registered User
Location: DFW tx
 
Join Date: May 2008
Posts: 24
Mein Auto: 99 323i sedan, 01 530i sp
I checked my 01 530 and it still has its original Behr 12/00 radiator at 146K miles. The thermostat is 03 though.
1Can you tell us more on electric fan fitmemt?
2Can shabbaman tell me where you obtained parts for euro armrest and prices?
thanks
Reply With Quote
  #18  
Old 01-23-2009, 06:42 AM
cn90 cn90 is online now
Officially Welcomed to the 'Fest
Location: Omaha NE
 
Join Date: Mar 2006
Posts: 12,834
Mein Auto: 1998 528i 5-sp 140K+
Quote:
Originally Posted by E39530i View Post
OK so i still drill the hole...i should have asked before but what is the purpose of drilling the hole and why is there not a hole already in the thermostat???

My fan blades seem to be in perfect condition so i wasn't going to replace them...i did replace the clutch thou.I wasn't going t replace the Reservoir either because it looks like its in perfect condition at least from the outside.
thanks alot

Also im not sure what coolant to get when i drained it it cane out blue.Do i use this blue stuff?
1. Hole in tstat. Google "thermostat air lock", "thermostat drill hole" and you get the answer.
The hole is there to allow trapped air to escape.
Some tstats come from factory with holes some don't. IDK why!
(Wahler tstat for my 98 Volvo V70 has a hole, the same Wahler tstat for my 98 BMW has no hole).
The phenemenon of air lock has bothered mechanics for 30-50 years. So drilling a tiny hole in the tstat is on old trick!

2. Fan Blades may look perfect now, but when they go, they take the hood with them, Now you are talking $2-3K repair.
Use ONLY Dealer Fan Blade. I tried to save money by using "MTC" Fan Blade. It broke after one year.
Febi is also a good brand (eeuroparts.com)
I am NOT a big fan on wasting money and replacing parts when NOT necessary, but knowing that these fan blades are made out of plastic and knowing that at 10y/120K, they go anytime (search the forums and you will alot of disasters happened to people w/ broken fan blades), but in this case I'd say replace it. You will be happy for another 80K or so.
The option that Chivas mentioned is deleting the Fan Clutch/Fan Blade altogether and install electric fan. It is expensive though. This idea is identical to the setup in a FWD car (Toyota Camry etc.). The Camry has no fan clutch/fan balde b/c of transverse-mounted engine.
So One Aux Fan in FRONT of the AC Condesnor as usual, and one fan behind the radiator.

3. Coolant, if it is blue, use blue, but be prepared to pay.
Myself, I have been using Prestone Green on all by bimmers for 20 years, NOT a single problem FYI.
Reply With Quote
  #19  
Old 01-23-2009, 07:34 AM
oembimmerparts oembimmerparts is offline
'Fest Sponsor
Location: San Antonio
 
Join Date: Jan 2007
Posts: 1,531
Mein Auto: 2001 Z3
Quote:
Originally Posted by bmwmedic2 View Post
I checked my 01 530 and it still has its original Behr 12/00 radiator at 146K miles. The thermostat is 03 though.
1Can you tell us more on electric fan fitmemt?
2Can shabbaman tell me where you obtained parts for euro armrest and prices?
thanks

Do not drill a hole in your stat, Yours is electronically controlled and already has a bleed hole cast into the plastic housing(this only applies to the electronic thermostat)
__________________
Reply With Quote
  #20  
Old 01-23-2009, 08:43 AM
mmm635's Avatar
mmm635 mmm635 is offline
Officially Welcomed to the 'Fest
Location: Jackson, MS
 
Join Date: Mar 2005
Posts: 1,179
Mein Auto: '02 525i Sp/5, 95 FJ80 LC
Quote:
Originally Posted by E39530i View Post
OK so i still drill the hole...i should have asked before but what is the purpose of drilling the hole and why is there not a hole already in the thermostat???

My fan blades seem to be in perfect condition so i wasn't going to replace them...i did replace the clutch thou.I wasn't going t replace the Reservoir either because it looks like its in perfect condition at least from the outside.
thanks alot

Also im not sure what coolant to get when i drained it it cane out blue.Do i use this blue stuff?
Don't forget to include the pulleys and tensioners while you are in there. I did not replace mine when I overhauled my cooling system at 70K and replaced them last night at 81K. All three pulleys were shot - had play and made quite a noise. The pulley closest to the alternator was making a squealing noise which prompted me to go ahead and replace them. It made sense to go ahead and replaced the tensioners while in there even though they might look just fine.

For those of you that have not replaced your pulleys/tensioners and have done the cooling system, there is still hope without having to remove the fan shroud (I6, not sure about the V8). The air filter housing, undertray/splash shield were removed from the car. The fan/fan clutch were taken off and just laid against the radiator for clearance. The job will only take about 1-1/2 hours.

Pics: Tensioner/Pulley pics without fan shroud removal
__________________
Reply With Quote
  #21  
Old 01-23-2009, 11:35 AM
Jason5driver's Avatar
Jason5driver Jason5driver is offline
Officially Welcomed to the 'Fest
Location: Middle of a corn field
 
Join Date: May 2007
Posts: 4,465
Mein Auto: E39 hamster w/ pin-wheel
__________________
Reply With Quote
  #22  
Old 01-23-2009, 09:03 PM
luvnhatemya6 luvnhatemya6 is offline
Officially Welcomed to the 'Fest
Location: SF Bay Area
 
Join Date: Aug 2007
Posts: 219
Mein Auto: 2003 BMW 525i Touring 53K
The blue coolant is the BMW OEM one. This is a hybrid OAT (organic acid) coolant (Dexcool but improved hence the hybrid part).

If you don't want to shell out for the BMW stuff, the nearest high street stuff is Valvoline Zerex G-05, which is bright yellow. The colours are only dye, they don't matter.

If your coolant is more than 2 years old replace the lot, again either with BMW or G-05. I paid $10 for 5 litres of G-05 but it's pre-diluted. I got the BMW stuff for $25, but it needs diluting 50/50. Therefore you are only saving $2-50 per 5 litres by going with G-05.
Reply With Quote
  #23  
Old 01-23-2009, 10:08 PM
chiefwej's Avatar
chiefwej chiefwej is offline
Freude am Fahren
Location: Tucson, AZ
 
Join Date: Dec 2006
Posts: 2,298
Mein Auto: 2003 540i/6 //m-tech
Quote:
Originally Posted by luvnhatemya6 View Post
The blue coolant is the BMW OEM one. This is a hybrid OAT (organic acid) coolant (Dexcool but improved hence the hybrid part).

If you don't want to shell out for the BMW stuff, the nearest high street stuff is Valvoline Zerex G-05, which is bright yellow. The colours are only dye, they don't matter.

If your coolant is more than 2 years old replace the lot, again either with BMW or G-05. I paid $10 for 5 litres of G-05 but it's pre-diluted. I got the BMW stuff for $25, but it needs diluting 50/50. Therefore you are only saving $2-50 per 5 litres by going with G-05.
I bought the BMW Factory coolant for $17.50 per gallon at my local dealer. (w/ my BMWCCA discount) I was told that the OEM stuff is very high silicate and it is there to protect the alloy parts. In any case at $17, why not use the right thing? Note: mix 50/50 w/ distilled water.

Last edited by chiefwej; 01-23-2009 at 10:13 PM.
Reply With Quote
  #24  
Old 01-23-2009, 10:11 PM
chivas's Avatar
chivas chivas is offline
You Lick It, You Own It
Location: Under The Bridge
 
Join Date: Aug 2002
Posts: 14,424
Send a message via ICQ to chivas Send a message via AIM to chivas
Mein Auto: 98 540i/6
Quote:
Originally Posted by luvnhatemya6 View Post
The blue coolant is the BMW OEM one. This is a hybrid OAT (organic acid) coolant (Dexcool but improved hence the hybrid part).

If you don't want to shell out for the BMW stuff, the nearest high street stuff is Valvoline Zerex G-05, which is bright yellow. The colours are only dye, they don't matter.

If your coolant is more than 2 years old replace the lot, again either with BMW or G-05. I paid $10 for 5 litres of G-05 but it's pre-diluted. I got the BMW stuff for $25, but it needs diluting 50/50. Therefore you are only saving $2-50 per 5 litres by going with G-05.
it's easier to find G-05 on a sunday afternoon when all hell breaks loose.
__________________
americandan.com

It takes a lot of work to be lazy.
Reply With Quote
  #25  
Old 02-19-2009, 03:08 PM
E39530i E39530i is offline
Registered User
Location: new york
 
Join Date: Jan 2008
Posts: 56
Mein Auto: 01 530i
Ok so i decided to buy the blue coolant just to be safe but it comes in bottles that are 1.5 liters. So just to be clear i buy four of these and put in 3 bottles then like a little more than half of the other bottle then the rest distiled water right? does it have to be perfect?
Reply With Quote
Reply

Bookmarks


Forum Navigation
Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)
Today's Posts Search
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On



Forum Jump


All times are GMT -7. The time now is 09:14 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
© 2001-2011 performanceIX, Inc. All Rights Reserved .: guidelines .:. privacy .:. terms