Test Mode

Zedebee

Veteran
 North Hampshire
If you press and hold the S/R button in the instrument binnacle, the digital display under the speedo goes into some kind of “test mode”. Anyone know what it’s for, or what it does?
 
Found it
https://www.z4-forum.com/forum/viewtopic.php?f=34&t=15176&p=222820&hilit=test+functions#p222820
 
All clever stuff!
I heard if you press the button for 5 minutes it transforms into a Boxster! :D
 
Very useful for displaying voltage or coolant temperature when out test driving after a repair
 
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