How far can i lift suspension? how big tires can i fit?

[bartmanS4]

You're definitely lifted now, you will just need to trim your front cladding to allow for bigger tires. Here is a good link for you to start with:
http://www.vehicross.info/forums/showthread.php?t=14685

I've got about the same amount of lift as you do and I'm running 33/12.5r15 without any problem after trimming the cladding. Much bigger than that and you'll probably need a body lift, diff drop, ball joint flip, etc.

[JoFotoz]

This may well help too....

.
www.vehicross.info/forums/showthread.php?t=15476

The "Holy Grail" of lift info

jo