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Checking the oil level
The concept The oil level is monitored electronically and displayed on the Control Display. Requirements The engine must be running and warm after the vehicle has been driven for at least ...

Interior
Even though it's relatively unchanged for 2009, the X3's interior remains very upscale for this segment. My test car's dark brown leather upholstery and black dashboard made for an especially clas ...

Functional requirements
The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of th ...