Operation
Tachometer
In this manual: Operation
~1min read

The warning segment with white graduations, arrow 1, changes depending on engine temperature. As engine temperature rises, this segment becomes smaller.
Try not to allow engine speed to reach the warning zone.
Never let engine speed enter the red warning zone, arrow 2. To protect the engine, fuel supply is cut off in this range.
Test yourself
A quick BMW X5 quiz: every answer comes with an explanation and a link to the manual page.
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