On a Bmw X7, “sunroof” and “moonroof” are often marketing terms, not precise technical categories. Historically, “sunroof” sometimes meant an opaque panel, while “moonroof” implied a transparent glass panel that still opens. In real-world parts ordering, those labels are unreliable because many vehicles use glass panels regardless of what the brochure calls them. What actually determines the correct replacement is the roof’s architecture: how the glass mounts, whether it tilts and/or slides, how it travels relative to the roof skin, the cassette/track design, and the perimeter seal geometry. If you order by name alone, you can end up with a panel that looks close in outline but fails at the details—wrong bracket locations, wrong edge profile, interference with the wind deflector or shade, or a noticeable tint mismatch. Treat “sunroof vs moonroof” as vocabulary and treat roof design as the specification. For Sunroof Glass Replacement, your goal is to identify the exact roof module you have and match the glass to that module’s mounting points, seal landings, and operational clearances. When the roof type is documented correctly up front, the replacement is far more likely to seat flush, close smoothly, and match factory appearance on the Bmw X7.