R...

When i first stumbled upon this booster, was on a MBforum with a link to a german website and although i do not understand german... and what i read in the forum(s) NO one complained after install... and some claimed remarkable MPG improvements... this product was beneficial to the XF... i put it on the "backburner". Until now...

With A COPY OF YOUR WALK THROUGH, WILL certainly make my install fast and problem free. WILL POST HERE WHEN I INSTALL MINE...

Much thanks cheers!

j