Spurious Service Messages

I've got a 545i 6 speed that produces random spurious service messages -
Active steering, cruise control, different things from time to time.
Multple trips to the dealer, no resolution.
Sometimes the diagnostic log has data, sometimes not.
I'm completely frustrated.

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.