Thanks to the Engadget guys,
BMW is offering HD (high definition) Radio for all its 2007’s fleet as a standard factory installation, and being the first automobile manufacturer to do so as well.
While this is definitely good news for everyone, its stated on their press release as:
"…BMW expands its pioneering position in providing high-quality audio systems by becoming the first automotive firm to offer a factory-installed digital HD Radio(TM) receiver as an option across its entire 2007 product line…"
In point, remember to ask for it when you order. If not, you lose out.