Use a text editor such as notepad to edit the "car.txt" file in the "\Program Files\EA SPORTS\FIFA MANAGER 11\private_items" directory. Change the first row from:

Hyundai i10,Hyundai i10,Hyundai i10,Hyundai i10,Hyundai i10,Hyundai i10,9900,i10.bmp,2010

into

Hyundai i10,Hyundai i10,Hyundai i10,Hyundai i10,Hyundai i10,Hyundai i10,-9999999999,i10.bmp,2010

Begin game play, then select "Career", then "Private Life", then "Car". Purchase a Hyundai i10. Your personal account will be credited 9,999,999,999. You can then donate this money to your club and spend it on whatever desired.