If you import your WordPress blog to Blogger then you will get an error as "bX-z9vkvi". It is because the format is different and you need to convert your .xml blog file according to Blogger. You can do this by going to the following website: wordpress2blogger. Open this website and upload your .xml blog file, after selecting the file click convert.
Now it will download a .xml blog file compatible for Blogger, save it and import this file to Blogger. This time it will import your blog without any error.
Happy Blogging