I have a Bernina with BSR like you do. Stippling and all FMQ is SOOOOO much easier and better when you use a Supreme slider
http://www.freemotionslider.com/ and gloves. And make sure your machine is inside a table to make a flat surface. With these two tools, I can do anything! Here's a picture of my latest which has a lot of FMQ stippling.
http://www.quiltingboard.com/t-69826-1.htm