Originally Posted by M3PO
The tune is based off of your particular software on the your particular DME. If you have the old software, your tune will be a modified version of that. From what I can tell, the new software produces gains via tweaks in areas that the tuners don't modify. So you want the new version AND the tuners modifications to make the most power.
Is this true? Is there a benefit to updating to this software version if one will eventually get a tune?