2011 Audi R18 TDI (V2)
Original model takes from Project CARS, Forza Motorsport 4
Edit and convert to GTAIV by cjisntgay

Features:
HQ car model
HQ mud texture
realistc livery
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changed log:
highly improved livery
no more z-fighting at the rims
fixed the width(x axis) of the car(the biggest fixes)
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Known problems:
Niko can only enter the cockpit at right side,if anyone get any other problem with is mod, plz give me a feedback at:gta4-mods.com
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How to install:
First BACKUP all the stuff you want to edit or replace!
Then using SparkIV or OpenIV to open the archive "Grand Theft Auto IV\pc\models\cdimages\vehicles.img" and replace any 2 door cars you like(example:infernus)
Lastly browse Grand Theft Auto IV/common/data and open the following files with any notepad, replace the following lines for the car you replace.

HANDLING.DAT:
INFERNUS 900.0 4.5 85 0.0 0.0 -0.53 0.0 6 0.3 1.1 360.0 0.4 0.66 0.7 35.0 1.70 2.15 15.5 0.12 0.48 3.0 2.5 2.5 0.10 -0.14 0.0 0.5 0.55 1.0 0.55 0.5 0.0 1600000 60440010 00000001 1
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VEHICLES.IDE:
infernus,	infernus,	car,		INFERNUS,	INFERNUS,	VEH@LOW, VEH@LOW_INFERNUS, 1, 0, 0.2775, 0.2775, 0, 5, 1.0 ,0, noboot+sports
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CARCOLS.DAT:(at car3 section)
supergt,	 0,0,0,
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Done, start the game and play hard!^^