I checked out their site and they have 2 products:
Motor Protect and Mos2.
http://www.liqui-moly.de/liquimoly/produktdb.nsf/id/usa_2009.html
http://www.liqui-moly.de/liquimoly/produktdb.nsf/id/usa_2053.html
Which do most people use and have you used it?
Motor Protect and Mos2.
http://www.liqui-moly.de/liquimoly/produktdb.nsf/id/usa_2009.html
http://www.liqui-moly.de/liquimoly/produktdb.nsf/id/usa_2053.html
Which do most people use and have you used it?