Does the Webasto run autonomously when the exterior temp is less than 6Deg.C (and the engine is cold)?

And if so, does it speed up the engine warm-up?

The Webasto can heat both the engine and the cabin but there are valves that control what is going on here - depends on various options.

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Wayne
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)