use the vehicle.ide iv already edited for you
place file here

for IV
C:\Program Files\Rockstar Games\Grand Theft Auto IV\common\data

for EFLC
C:\Program Files\Rockstar Games\EFLC\common\data



or open your vehicle.ide & find "fbi" & replace it with that line.


fbi,		fbi,		car,		POLPAT,		POLPAT,		VEH@STD,	VEH@STD_LO4_LO4,	100,	999,		0.2622, 0.2622,		0,	5,	1.0	,0,	ext_requi+ext_strong+livery