JUST A HABIT I'VE DONE FOR YEARS... AND WITH THE XF I KNOW IT SEEMS A BIT OVERKILL, BUT I DO PLACE 3,000 MILES ON THE xf PER MONTH... AND THEY ARE HARD MILES... BUT I AM GETTING MORE CONFIDENT WITH LETTING THE OIL CHANGE INTERVAL GO LONGER... THANKS TO THE INFO YOU/AND THIS FORUM PROVIDES ME.

JOSH