E39 Heated Steering Wheel only works when warm outside

On my '98 528, it seems that if the outside temp. is below 45 degrees F, the light comes on for 2 secs and then goes off and no warm wheel. It works
fine when it is warmer out.
Any suggestions? A relay somewhere?
Ray P.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.