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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 10-17-2011, 04:56 PM
ilian007 ilian007 is offline
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Looking for Serpentine Belt - Other than continental

Hello,

Last 40k miles I've had bad expirience with the continental serpentine belts....

I've had 2 replaced for 40k miles and less than 3 years. (they looked wearn off like 80k ones)


Is there any other good brand I can try ?


Thank you
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  #2  
Old 10-17-2011, 05:29 PM
JimLev JimLev is offline
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Get Dayco Poly belts, I think AutoZone sells them.
http://www.daycoproducts.com/daycowe...FUKo4AodgwsjtQ
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  #3  
Old 10-17-2011, 05:33 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by ilian007 View Post
Is there any other good brand I can try ?
Why not look in the thread that attempts to list the most recommended parts and brand names for the belt drive overhaul?
- Recommended parts kits for overhauling cooling, drive belts, CCV/ICV, VANOS, OFH, PSP

For example ...
Quote:
Originally Posted by bluebee View Post
We're adding "Gatorback" belts to the recommended alternator belt brands based on this post today from [energizedmortal].

"for alternator drive belt add "gatorback belt replacement" there are reports on the forum that problem cars that upgraded to hydraulic tensioners still had alternator drive belt whine that was only cured after gatorback belt replacement"
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  #4  
Old 10-17-2011, 08:00 PM
Jimmys 530i Jimmys 530i is offline
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+1 for Gatorback.
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  #5  
Old 10-17-2011, 10:06 PM
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nyclad nyclad is offline
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Just my luck that this thread didn't exist last week. I ordered Conti replacement belts for the pulley and AC, and they arrived today. My belts were starting to squeal and tick quite a bit. It rapidly went from a slight tick a few weeks ago to sounding like a diesel engine now. I installed my current pair of Continental around 60k miles ago. Hmm...


Quote:
Originally Posted by ilian007 View Post
Hello,

Last 40k miles I've had bad expirience with the continental serpentine belts....

I've had 2 replaced for 40k miles and less than 3 years. (they looked wearn off like 80k ones)


Is there any other good brand I can try ?


Thank you
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  #6  
Old 10-18-2011, 06:47 AM
cn90 cn90 is offline
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I have no issues with Conti belt.

Just out of my curiosity, where are Conti belts made these days?
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  #7  
Old 10-18-2011, 07:19 AM
oembimmerparts oembimmerparts is offline
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Conti belts are about the best you can buy, If someone is going through them fast its due to another issue, Either pullies that have issues or if the engine is being cleaned all the time with harsh chemicals then that could eat at the rubber.
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  #8  
Old 10-18-2011, 10:05 AM
ilian007 ilian007 is offline
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Quote:
Originally Posted by cn90 View Post
I have no issues with Conti belt.

Just out of my curiosity, where are Conti belts made these days?
Mines said : Romania on them .... I guess that's why the quality went down.


However, take in consideration that I live in California and the temps are very high during the day 95+F (if that matters).

I hope you dont have same expirience as I do. Just make sure you check it every 5-10k miles (it is easy to see by visual inspection) Look for cracks on the belt.
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  #9  
Old 10-18-2011, 10:08 AM
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menhir menhir is offline
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Quote:
Originally Posted by ilian007 View Post
Mines said : Romania on them .... I guess that's why the quality went down.
Unclear on the relationship. However, I've never used any product made in Romania to the best of my knowledge.
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  #10  
Old 10-18-2011, 10:11 AM
ilian007 ilian007 is offline
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Quote:
Originally Posted by oembimmerparts View Post
Conti belts are about the best you can buy, If someone is going through them fast its due to another issue, Either pullies that have issues or if the engine is being cleaned all the time with harsh chemicals then that could eat at the rubber.
Neither problems with my tensioner, pullies neither cleaned the engine at all. Pullies and tensioner were replaced each time I replaced the belts. Since the labor is too expensive i replace all the parts when do it.


Both times in different INDY

1st indy they bought the parts.
2nd indy I bought the parts from eeuroparts.com and gave them to the shop.


I guess I just have bad luck with defective belts.
Those are the parts I've got installed 1.5 years ago abo 15-20kmiles

Water pump (HEPU made in germany): $62.90 -----> http://www.eeuroparts.com/Main/PartD...id=11517527910

Serpentine Belt for BMW vehicles (Continental): $16.99 ----> http://www.eeuroparts.com/Main/PartD...id=11281706545

Serpentine Belt Tensioner (Mechanical): $46.15 ---> http://www.eeuroparts.com/Main/PartD...id=11281427252

A/C Belt for BMW vehicles(Continental): $10.46 ---> http://www.eeuroparts.com/Main/PartD...id=11281437450

A/C Belt Tensioner for BMW vehicles (INA) : $47.14 --> http://www.eeuroparts.com/Main/PartD...id=11281433571

Thermostat (Wahler): $59.90 ---> http://www.eeuroparts.com/Main/PartD...id=11537509227
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  #11  
Old 10-18-2011, 10:33 AM
ilian007 ilian007 is offline
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Quote:
Originally Posted by bluebee View Post
Why not look in the thread that attempts to list the most recommended parts and brand names for the belt drive overhaul?
- Recommended parts kits for overhauling cooling, drive belts, CCV/ICV, VANOS, OFH, PSP

For example ...
bluebee do you have in hand the gatorback part number for my E39 2002 530i ?

Thanks a lot !
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  #12  
Old 10-18-2011, 10:35 AM
cn90 cn90 is offline
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Actually if you look at any serpentine belt, it has 2 portions:
- the ribs (for example 6 ribs) that keep the belt in the correct grooves.
- the flat portion, or the belt itself.

I have observed this for years: the ribs crack at 20-30K miles (because the ribs have very small amount of rubber), but the belt itself remains good for years.
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  #13  
Old 10-18-2011, 11:00 AM
ilian007 ilian007 is offline
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Quote:
Originally Posted by cn90 View Post
Actually if you look at any serpentine belt, it has 2 portions:
- the ribs (for example 6 ribs) that keep the belt in the correct grooves.
- the flat portion, or the belt itself.

I have observed this for years: the ribs crack at 20-30K miles (because the ribs have very small amount of rubber), but the belt itself remains good for years.
Yep! It seems that this is my case.

However, I am doing the oil filter housing gasket and since it is no extra labor i think to replace it ....
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  #14  
Old 10-18-2011, 11:03 AM
cn90 cn90 is offline
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Yeah, the belt is cheap, replace it. Keep the old belt in the trunk just in case you do long trip.
An old belt is better than no belt in the middle of nowhere!

FYI, minor cracks of the belt are normal after 20-30K.
The major crack: yes replace ASAP!

This pic shows you the difference between minor (rib crack) vs major (belt itself) crack:



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  #15  
Old 10-18-2011, 11:35 AM
JimLev JimLev is offline
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Gates also makes good belts.
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  #16  
Old 10-18-2011, 11:41 AM
cn90 cn90 is offline
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Hey Jim,

I have been using Conti for years in my BMWs, Volvos etc. with no problems.
But who knows if Conti changes their mfg facility lately.

Do you think Gates is better than Conti as we speak.....in Oct 2011?
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  #17  
Old 10-18-2011, 03:21 PM
ilian007 ilian007 is offline
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Bought the Goodyear, gatorback from Amazon $13 + $3.99 next day shipping.

Hopefully it will do the job
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  #18  
Old 10-18-2011, 03:34 PM
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nyclad nyclad is offline
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Quote:
Originally Posted by ilian007 View Post
Mines said : Romania on them .... I guess that's why the quality went down.
Wierd, I also have a 2002 530i, so I bought the same Conti belts as you.

These are the belts that arrived yesterday. Mine aren't Romanian, but made in Spain and UK.
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  #19  
Old 10-18-2011, 03:53 PM
ilian007 ilian007 is offline
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I will double check the label on it if still reads when I pull it out to make sure I am not in mistake.

I guess after cn90 explained to me it is normal to have little cracks on it. It is all good ... I falsly expected it to look better for 40-60k miles

I will try this time the GoodYear and will see ...


I just checked if there is Contitech made in Romania ... and there is ......

http://www.prestonekorea.com/upload/...87574319_0.jpg

I guess mine was from the worse factory ...

Last edited by ilian007; 10-18-2011 at 03:59 PM.
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  #20  
Old 10-22-2011, 12:49 PM
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nyclad nyclad is offline
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Just to add, I replaced my belts due to the loud ticking noise. The serpentine belt only had minor wear cracks. It was the AC belt that was messed up and making all sorts of noise.




Quote:
Originally Posted by cn90 View Post
Yeah, the belt is cheap, replace it. Keep the old belt in the trunk just in case you do long trip.
An old belt is better than no belt in the middle of nowhere!

FYI, minor cracks of the belt are normal after 20-30K.
The major crack: yes replace ASAP!

This pic shows you the difference between minor (rib crack) vs major (belt itself) crack:



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