The BMW UUC Digest 
Volume 2 : Issue 857 : "text" Format

Messages in this Issue:
  (no subject)
  Re: [UUC]
  <E36> pulleys and tensioners
  E36 warming up slow
  Re: E36 warming up slow
  Re: E36 warming up slow

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Date: Sun, 6 Nov 2005 21:46:51 -0800
From: Harvey Chao <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED], bmwuucdigest@uucdigest.com
Message-ID: <[EMAIL PROTECTED]>

 > But, and here is my question, the water temp. SWITCH is
 >reading 0 ohms at normal operating temp., that is, it is reading  
that it
 >is open when it should be closed.

Brian - did you say the above correctly?  0 Ohms is a short circuit/ 
closed reading,
An open switch will read infinity or meg ohms.


If it really is an open switch condition when it should be closed,  
you should be able to get the car up to temperature when the switch  
should be closed, and if it is actually open, short the switch  
contacts to make it effectively closed and the problem should go  
away.  check the wiring diagram to see if when the switch is closed  
does it short the lead to ground or make a connection to some other  
lead.  that way you will know how to manually "close" the switch for  
trouble shooting.

Conversely, if it reads closed when it should be open, just pull the  
lead off the switch and see if the problem goes away.

Harvey

------------------------------

Date: Sun, 6 Nov 2005 22:28:48 -0800 (PST)
From: "Ryan Simmons" <[EMAIL PROTECTED]>
To: "Harvey Chao" <[EMAIL PROTECTED]>
Cc: [EMAIL PROTECTED], bmwuucdigest@uucdigest.com
Subject: Re: [UUC]
Message-ID: <[EMAIL PROTECTED]>

Well I said that wrong.  At coolant temp. below 86, the switch should have
no continuity (open).  Above 118 degrees there should be continuity
(closed).  My switch is reading no continuity at all temp. ranges.

> Conversely, if it reads closed when it should be open, just pull the
 lead off the switch and see if the problem goes away.<

I wanted to do this today, but did not get to it, or the car for that matter.
tommorrow then.....
RYAN-



>  > But, and here is my question, the water temp. SWITCH is
>  >reading 0 ohms at normal operating temp., that is, it is reading
> that it
>  >is open when it should be closed.
>
> Brian - did you say the above correctly?  0 Ohms is a short circuit/
> closed reading,
> An open switch will read infinity or meg ohms.
>
>
> If it really is an open switch condition when it should be closed,
> you should be able to get the car up to temperature when the switch
> should be closed, and if it is actually open, short the switch
> contacts to make it effectively closed and the problem should go
> away.  check the wiring diagram to see if when the switch is closed
> does it short the lead to ground or make a connection to some other
> lead.  that way you will know how to manually "close" the switch for
> trouble shooting.
>
> Conversely, if it reads closed when it should be open, just pull the
> lead off the switch and see if the problem goes away.
>
> Harvey
> Search the ARCHIVES:http://www.mail-archive.com/bmwuucdigest@uucdigest.com
>
>
> __________________________________________________________________________
> In memory of Michel Potheau - friend, enthusiast, founder of the BMW CCA.
>
> UUC Motorwerks - BMW Performance Fine-tuning and home of the Ultimate
> Short Shifter - accept no substitutes!
> 908-874-9092 . http://www.uucmotorwerks.com
>


------------------------------

Date: Mon, 7 Nov 2005 02:22:12 -0800 (PST)
From: Brian Ruiz <[EMAIL PROTECTED]>
To: UUC Digest <bmwuucdigest@uucdigest.com>
Subject: <E36> pulleys and tensioners
Message-ID: <[EMAIL PROTECTED]>

Hey all,

Since no one responded to my question earlier, I'm
going to re-ask: does anyone have any torque specs for
the belt pulleys (tensioner pulleys, idler pulley) on
the S50?  I replaced two of them, but I only tightened
them up to what I felt was enough.  I sure don't want
them to fall off from the vibration and end up
overheating my engine. :-P

Thanks,
Brian
95 M3


                
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------------------------------

Date: Mon, 7 Nov 2005 09:11:03 -0800 (PST)
From: Paul T <[EMAIL PROTECTED]>
To: bmwuucdigest@uucdigest.com
Subject: E36 warming up slow
Message-ID: <[EMAIL PROTECTED]>

Typically the needle the in the temp gauge moves from
(out of the blue box) to the center line in a nice and
smooth pace, as it should. But this morning, it really
took its time, is this a sign that something needs to
be looked at/replaced? I didn't notice anything else
odd (smell, rumble, etc...) during the rest of the
drive to work, and the temp is remained steadily at
the center line the whole time. It did warn me of the
low coolant level a couple of days prior, which i did
refill it with BMW coolant.

the car is a 95 325i (auto) with ~133k. I did have the
temp sensor and water pump (to metal propeller)
replaced maybe 4 yrs years ago.

I'm located in Portland, where it is rainy and
mornings are ~40-45 

Hopefully this is a one time thing as my baby is
getting up there in the miles.

thanks,

Paul


                
__________________________________ 
Yahoo! FareChase: Search multiple travel sites in one click.
http://farechase.yahoo.com

------------------------------

Date: Mon, 7 Nov 2005 12:50:31 -0500
From: "Gary Derian" <[EMAIL PROTECTED]>
To: "Paul T" <[EMAIL PROTECTED]>, <bmwuucdigest@uucdigest.com>
Subject: Re: E36 warming up slow
Message-ID: <[EMAIL PROTECTED]>

Seems like it needs a new thermostat.  Its a common M50 failure.
Gary Derian

> Typically the needle the in the temp gauge moves from
> (out of the blue box) to the center line in a nice and
> smooth pace, as it should. But this morning, it really
> took its time, is this a sign that something needs to
> be looked at/replaced? I didn't notice anything else
> odd (smell, rumble, etc...) during the rest of the
> drive to work, and the temp is remained steadily at
> the center line the whole time. It did warn me of the
> low coolant level a couple of days prior, which i did
> refill it with BMW coolant.
>
> the car is a 95 325i (auto) with ~133k. I did have the
> temp sensor and water pump (to metal propeller)
> replaced maybe 4 yrs years ago.
>
> I'm located in Portland, where it is rainy and
> mornings are ~40-45
>
> Hopefully this is a one time thing as my baby is
> getting up there in the miles.
>
> thanks,
>
> Paul
>
>
>
> __________________________________
> Yahoo! FareChase: Search multiple travel sites in one click.
> http://farechase.yahoo.com
> Search the ARCHIVES:http://www.mail-archive.com/bmwuucdigest@uucdigest.com
>
>
> __________________________________________________________________________
> In memory of Michel Potheau - friend, enthusiast, founder of the BMW CCA.
>
> UUC Motorwerks - BMW Performance Fine-tuning and home of the Ultimate
> Short Shifter - accept no substitutes!
> 908-874-9092 . http://www.uucmotorwerks.com 


------------------------------

Date: Mon, 07 Nov 2005 12:51:35 -0500
From: "Marc Plante" <[EMAIL PROTECTED]>
To: bmwuucdigest@uucdigest.com
Subject: Re: E36 warming up slow
Message-ID: <[EMAIL PROTECTED]>

potentially a stuck thermostat?

Marc Plante
1997 E36 M3/4 67k
2005 Child "Lydia" (20 days)
Vienna, VA





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