As your score is low- it has an upside and a downside as well. It is great that you know where you stand and how much more effort you need to put. If you are determined enough, then even 4 months of preparation can do wonders for you. Here are some things you should know:
The downside gives you a reality check and makes you plan your backup options. It is not really a downside but can work as an eye-opener.