Welcome!
Alex, thanks my friend :)
Next release: HAMANN Lamborghini Gallardo LP560-4 Victory II 2012.
you have to change these settings in vehicle.ide.
SULTANRS, VEH@LOW, VEH@LOW_INFERNUS, 20, 999, 0.3100, 0.3100, 0, 5, 1.0 ,0, sports+ext_gang+ext_all+livery
NEW UPDATE* fixed
http://www.gta4-mods.com/vehicles/hamann-bmw-5-series-f10-2012-f20197/