Nope, it looks like it has its own OS with Android Auto and Apple Carplay support (so yes, you could use google maps, although it'll be from your phone).
After looking at some videos on YouTube, I'd stay away from this lag machine. Look at the E46 variant
here. The video shown on the official website,
here, is clearly sped up to minimize the laggy animations. I'd go for the Wondefoo unit I sent earlier, check a comparison of the PX5 and PX6 processor
here, it's a lot smoother (even the PX5 is!).