Hello, 3.2 version of the mod runs properly and there isn’t any interruptions or breakdowns in the game. You can download and install it safely. In addition, I included the original files of the game in this version so you can restore backups whenever you want. Have fun and good luck.

========[ FOR SINGLEPLAYER ONLY ]========
Modding in GTA Online is not allowed and could get you a ban. This mod is NOT for online use.

==============[ Requirements ]===============
OpenIV
GTA V

Backup x64j.rpf, x64k.rpf, x64l.rpf and dlc.rpf files before the installation.

============[ Install Instructions ]===========
1- Download the latest version of OpenIV program from openiv.com address.
2- After installing the program you will see a window for selecting game. Select GTA V Windows version.
3- Select GTA5.exe folder and click continue.
4- Now, you will see the files of the game. Click on Edit Mode button found on the upper part of the program.
5- Copy the files on the specified folders respectively. Open the folder where you will copy the files, drag and drop them.

id2_13_gas_02.ydr file found in Shell - 1 folder in --> x64j.rpf/levels/gta5/_citye/indust_02/id2_13.rpf
sc1_09_gasem.ydr file found in Shell - 2 folder in --> x64k.rpf/levels/gta5/_citye/scentral_01/sc1_09.rpf
kt1_11_gas.ydr file found in Caltex folder in --> x64l.rpf/levels/gta5/_cityw/koreatown_01/kt1_11.rpf
sc1_21_gas.ydr file found in BP folder in --> x64k.rpf/levels/gta5/_citye/scentral_01/sc1_21.rpf
tanker.ytd and tanker+hi.ytd files found in Gas Tank Trailer folder in --> update\x64\dlcpacks\patchday2ng\dlc.rpf\x64\levels\gta5\vehicles.rpf

Thats All! Enjoy and Have Fun :)

Thanks to:
Rockstar Games - Nice layouts of textures for easy editing.
OpenIV team - Brilliant mod tool!
Neodymium (on gtaforums.com) - Texture Toolkit program

Change Log
-3.2
Fixed corrupt download
Updated Readme
-3.1
Bug fixes
-3.0:
Added gas tank trailers
-2.1
Added back up files
-2.0:
Added Bp, Caltex petrol Stations
-1.0
--Initial Release