As a heavy utorrent user myself, i too came up against the mapping problem, i presume your not seeing this
Welcome to the µTorrent Port Checker.
A test will be performed on your computer to check if the specified port is opened.
Checking port 36442 on 82.27xx.x2.91...
OK! Port 36442 is open and accepting connections.
You will be able to receive incoming BitTorrent connections.
when you click on the yellow exclamation mark on utorrent? If not then follow this guide, this is for you EXACT router, and u cannot go wrong.