What's the best way to tell if the fuel pump is bad? My 109 shut down today after less than 5 min. It now seems to make an unfamiliar noise when the key is turned on and will not start. All of the fuses are OK, and I replaced the fuel filter less than 1K ago. Any help appreciated!

Hey all. Just joined the forum today and I just wanted to update you guys on a few changes that I have noticed to the M109 for 2013 (LE) model year. Make note that I'm comparing a 2013 (LE) to my previous 2011 M. I'm no master mechanic just a weekend wrencher. The first thing I notice on the...