Garbage, foremost because it only ran one time. The first time after I installed it. From then on it would state that it was pulling new data from the server and would get to 80% where it would hang. Also because it is mostly just a big advertisement of what you can already see on their website. What I wanted was something that would let me configure lots of individual options for their cars, specifically the M4. It's just advertising.
I seems to have to download a ton of data and it takes forever! I have my phone running on my home network, which 150+ mbps, and it has been sitting at 42% for nearly 15 mins or more. I restart the app only to get the same results.
It's a cool app, but you need to advertise it more. According to my phone you have 10 downloads. 10. That's pathetic.