Jump to content
WI BIMMERS - Wisconsin's BMW Community
  • 0
Sign in to follow this  
Boris3

Oil service light and broken odometers

Question

So I expect there is an easy answer to this.  My odometer doesn't work on the e30 318is, even with new gears installed so my thought has been that the motor that drives the gears may be fried. But, my oil service indicator lights do work (the staged countdown from multiple green to yellow to red) which are supposed to be based in part on mileage. Does the ECU record miles traveled and send info to the SI board? Is this another indication that the odometer motor is in fact fried since the diff rotation input is being sent/received elsewhere?  

 

 

Share this post


Link to post
Share on other sites

2 answers to this question

Recommended Posts

  • 0

The motor can be bad yes. The odometer gear sellers also indicate that not cleaning any dust or gear fragments very thoroughly can stop the motor. Seems strange, but I have experienced a repaired cluster working 1 out of every 100 miles or so.

 

The ecu does not have any mileage log like a newer BMW does. My belief of how the SI lights work is based on injection pulses/rpm like how the economy gauge works. In that way it can determine how many revolutions/the relative engine load to make a more adaptive service interval

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Answer this question...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
Sign in to follow this  

×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.