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6 Series DIY
6 Series Do It Yourself (DIY) forum.

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  #1  
Old 02-05-2012, 05:53 PM
BMW645 Germany BMW645 Germany is offline
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Question Belt Drive Belt tensioner Climate Compressor missing

Hello,

I want to change all the belt of my car because of 72000 milage and preventive maintenance.
By this way I found out that the belt tensioner for the climate compressor is missing.
It is a second hand car and I don't know what the pre owner did. When I look at the mounting point for the tensioner, then it look like that there was never a bolt in.
I dont know how they got the belt on.
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So it look like that I have to buy the tensioner,
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  #2  
Old 02-05-2012, 09:26 PM
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Yorgi Yorgi is offline
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I am pretty sure there is no tensioner on the A/C compressor belt.

This thread has a .PDF with the instructions for both belts.
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  #3  
Old 02-06-2012, 06:52 AM
BMW645 Germany BMW645 Germany is offline
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Thanks for the link, when I look to the second pdf down the last picture I can see the belt tensioner, maybe for the model later they installed it.
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  #4  
Old 02-08-2012, 09:25 PM
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Quote:
Originally Posted by BMW645 Germany View Post
Thanks for the link, when I look to the second pdf down the last picture I can see the belt tensioner, maybe for the model later they installed it.
I think BMW re-uses pictures from different cars in the TIS. The first and second PDF look like completely different motors. Maybe send brown370 a PM since it looks like he has changed these belts a few times.
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  #5  
Old 02-16-2012, 02:00 AM
brown370 brown370 is offline
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The V-Belts has a tensioner and the A/C Compressor does not. You have to pull the belt off with a rag while turning the crank. You have to use a special tool to stretch the new belt on.
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  #6  
Old 02-16-2012, 02:16 AM
brown370 brown370 is offline
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You will need a sepentine belt tool w/ a large Torx socket T-55. To remove the sepentine belt first (lest than 10 minutes) Take a picture of the belt before removing it so you know how it goes back on.
Jack up the car and remove the front underbody cover. You use a towel to remove the A/C compressor belt while turning the crank/engine. One you remove the old A/C belt, put the new belt over the crank first, and then install it on the bottom of the A/C compressor and install the tool pictured on the A/C compressor pulley. Turn the crank clockwise keeping the belt tight and the tool will pop the belt on. I had to do it twice because the belt ribs did not line up the first time.
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Attached Files
File Type: pdf C compressor drive belt (N62).pdf (311.5 KB, 856 views)
File Type: pdf V_Belt Replace BMW 1.pdf (214.2 KB, 364 views)
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12 VW CC 2.0T [/B] stock
05 VW GTI 1.8 T 5 Spd, Coilovers, Big Brakes,

(Previous rides)
04 BMW 645 CiC Auto
97 VW Jetta Jazz 5 SPD
06 Mazda 6 Grand Sport Auto
05 BMW X5 3.0 6 SPD
05 Infiniti G35 6 SPD
04 Volvo S60 "R" 6 SPD
99 Nissan Maxima 5 SPD
91 Nissan 300ZX 5 SPD
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76 Fiat Spyder 124 5 SPD

Last edited by brown370; 02-16-2012 at 02:37 AM. Reason: to add pics
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  #7  
Old 02-16-2012, 12:31 PM
BMW645 Germany BMW645 Germany is offline
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Thanks for the help, I postpone it in the moment. After changin of the O-Ring for the temp-sensor and changing of transmission oil, I need a rest. :-) Will do that then later, but it i slik u wrote.
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  #8  
Old 05-11-2012, 07:14 PM
abercrombie1958 abercrombie1958 is offline
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Location: south carolina,usa
 
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Mein Auto: 2006 bmw 650i cn e64
no tensioner 06?

my 06 650 is missing the a/c belt and tensioner,along with part of the upper oil pan,did the 06 have a tensioner?
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  #9  
Old 08-17-2012, 07:20 PM
daf290 daf290 is offline
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AC belt install tool

I am fighting installation of the AC belt. I made a tool to hold the belt and turn the crank over similar to the tool shown in the prior post. Even with my home made tool I am having difficulty.
I need to break down and buy the proper BMW tool to install the AC belt. I cannot find the part number for the AC belt installation tool.
Does anyone know the part number for this tool or where to find it?
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  #10  
Old 08-17-2012, 07:31 PM
daf290 daf290 is offline
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Found Part number

Sorry, I found the part number of 64 1 040 but I cannot see any of the online suppliers that list this part number. I guess I may need to try to special order.
Thanks
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  #11  
Old 10-17-2012, 12:52 AM
mr bm ac6 mr bm ac6 is offline
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Mein Auto: 06 bmw 650 coupe
climate tensioner

i had the same problem bro my climate belt cut while driveing i took it to a random independent shop to replace the belt the mechanic told me my tenssioner is misssing but i took it to bmw technition he told me that this cars dont have tenssioner but not any mechanic can replace it the mechanic needs to have this special tool to install the belt so so if i were you ide take it to a bmw specialist shop
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  #12  
Old 10-17-2012, 12:55 AM
mr bm ac6 mr bm ac6 is offline
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does anyone know why my dynamick drive malfunction light is on and how can i fix this problem
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  #13  
Old 09-03-2013, 05:33 AM
hugo_za hugo_za is offline
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Hey guys. I know this is an old thread, but I thought I would add a little update. The belts used by BMW are manufactured by ContiTech so you can replace them with either BMW branded belts or the Continental ContiTech ones.
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  #14  
Old 12-22-2014, 10:23 AM
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A B Able Truck A B Able Truck is offline
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I know this is an old thread and you 6er's may already have this info someplace, but while searching I ran across this thread & thought I'd share.
These are the parts I used on my N62TU to upgrade with an A/C belt with tensioner.

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  #15  
Old 12-22-2014, 11:17 AM
daf290 daf290 is offline
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Spongee Belt

The spongee belts are now quite common in many cars.
These belts are designed to be used without tensioners.
They are a bit different to get on and off but now that I have done a few, I kind of like them.
I would have no reason to change to a belt with tensioner.
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  #16  
Old 12-22-2014, 05:30 PM
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A B Able Truck A B Able Truck is offline
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Quote:
Originally Posted by daf290 View Post
The spongee belts are now quite common in many cars.
These belts are designed to be used without tensioners.
They are a bit different to get on and off but now that I have done a few, I kind of like them.
I would have no reason to change to a belt with tensioner.
Have you used this tool on BMW vehicles?


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  #17  
Old 12-23-2014, 05:37 AM
daf290 daf290 is offline
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Napa Tool

No I have not seen this one. Looks like a great tool if it works as shown.
I bought the actual BMW tool to install on my 650 and a generic over the belt and attach to the pulley tool for my wifes Lincoln. I especially like that this has a removal tool as I do not like cutting the old belt off.
Good find, maybe someone else can use this on BMW.
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  #18  
Old 12-23-2014, 04:37 PM
tampamark tampamark is online now
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Quote:
Originally Posted by A B Able Truck View Post
Have you used this tool on BMW vehicles?


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That is a very cool too!!!
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  #19  
Old 12-23-2014, 06:13 PM
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Yorgi Yorgi is offline
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Quote:
Originally Posted by A B Able Truck View Post
Have you used this tool on BMW vehicles?...
Nice, I love the looks of this tool. Next time I'm changing belts I will get one of these.

Search for "Private Brand 70990" if you want a set. Found it for $26 here.
__________________
Straight lines are for fast cars...turns are for fast drivers
'04 M3 - track
'06 650i Cab - daily driver
'02 Highlander - kid hauler
'01 330Ci - winter beater


Last edited by Yorgi; 12-23-2014 at 06:33 PM. Reason: add link
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