Why can't the rear sunroof of a BMW 740 open?

[StAugust]

Sunroof failure to open may be caused by foreign objects obstructing the mechanism. Resetting the sunroof system: If the sunroof appears mechanically sound but doesn't respond to switch operation, try restarting the vehicle and attempting again. Alternatively, perform a system reset by holding the sunroof lift button for 15 seconds while parked. The reset completes automatically when the sunroof cycles through opening and closing. BMW 7 Series Sunroof Features: The new BMW 7 Series features a panoramic Sky Lounge sunroof that brings the celestial panorama into view. Whether day or night, this panoramic feature provides unobstructed sky views while abundant natural light creates an expansive, open atmosphere. Interior illumination delivers an exquisite luxury impression, while separately adjustable front and rear electric sunshades offer comfortable shade from direct sunlight. In darkness, over 15,000 integrated lighting elements create an executive lounge ambiance. With six selectable ambient lighting colors, the system simultaneously elevates mood while inspiring romantic imagination.