This App has some Bluetooth tweaks that may help you: (I use the motorola s9 and love it!)
Originally Posted by
tobeychris 
Diamond Tweak:
Diamond Tweak is a very nice application found at XDA,
here.
This program allows you to customize many different options on the phone, with most showing which setting is Default, and which is Advised.
Many of these changes can improve overall performance, as well as battery life.
I would advise ANYONE with this phone to use this program, and take the time to read and set each option.
The program can be found
HERE