Help with CP and BB targeting review after FL

Hi everyone, I am writing the exam aug 25. anyone have recommendations on how to get over their plateaus? the last 3 kaplan FLs I've taken (i've only taken 3 over the last 2 months), have been at 503. i can't seem to budge and get over a 503 on these FLs even though i spent the entire month and a half doing re-content review with TBR... My p/s and cars are always the highest (127-129), and c/p and b/b are always the lowest (124-125) :/

My PS and CARS have gone up to 128-129 but I am really...

Help with CP and BB targeting review after FL