Really depends on the model, the 2nd gen E70 X5 had it's LCI the 5th model year. 2007-2010 were pre-LCI and 2011-2013 were the LCI. E90 was the same way.
Originally Posted by Sean
The LCI (facelift) is typically released the fourth model year of a production run. A model is produced for a total of seven years before a new model is released.
09 135i 6MT, ZMP, PPK1
13 X5 35i ZMP, ZMX, 2VA
13 Tiguan SEL 4motion