Turnbull comfortablybeat away an early Dirk Kuyt drive, but was then helped out by a number of last-ditch tackles and blocks that frustrated Liverpool.
The record 48, 990 crowd in the Stade Velodrome comfortablybeat the previous best of 31, 986 at Lyon's Stade Gerland in 1999, when Montferrand beat Bourgoin 35-16.