Coolant sensor M42 - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 02-03-2010, 05:16 AM
n00b
 
Join Date: Feb 2010
Posts: 6
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Jeremy Wilton is on a distinguished road
(Thread Starter)
Coolant sensor M42

Anyone know the resistance of the M42 coolant sensor when hot? Have seen 200, 350 and 400 ohms mentioned - I want to bypass the sensor with a resistor for a while - what's the best figure? Does it matter much?
Jeremy Wilton is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 02-15-2010, 01:19 AM
5th Gear Member
 
darkhorse737's Avatar
 
Join Date: May 2008
Location: San Francisco, CA
Posts: 1,494
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
darkhorse737 is on a distinguished road
Cool

Quote:
Originally Posted by Jeremy Wilton View Post
Anyone know the resistance of the M42 coolant sensor when hot? Have seen 200, 350 and 400 ohms mentioned - I want to bypass the sensor with a resistor for a while - what's the best figure? Does it matter much?
the nominal value is 300-360 ohms at 175-184 degrees farenheit. BUT, there are three coolant sensors. 1 for the computer, 1 for the temp guage, and 1 to activate the radiator fan. which one is it that u are interested in?

what is it that you wish to achieve by bypassing a sensor?
darkhorse737 is offline  
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E21, E30)


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Running out of ideas... (coolant sensor) BeachBunny 3-Series (E36) 9 05-24-2007 06:31 PM
Coolant temp sensor?culprit? bimmerguy82 3-Series (E36) 7 04-21-2007 10:36 AM
E34 coolant sensor bimmerholic 5-Series (E12,E28, E34, E39, E60) 2 11-12-2005 07:16 AM
Coolant Leak From Sensor? BMW-ATI 3-Series (E36) 7 06-23-2005 07:41 AM
Damn coolant sensor.... d3ity 5-Series (E12,E28, E34, E39, E60) 1 05-29-2004 08:53 PM

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 Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome