Quote:
Originally Posted by wercoil
You have to disable the particle system in the advanced video configuration.
Unfortunately the game doesn't allow you to modify the video settings, you have to force the game and edit the config file of the game.
It's not a cheat, i'm using it since 2011.
There's a guide here: 
The adv |
<audiomode Type="int">1</audiomode>
<audioquality Type="int">1</audioquality>
<basetexturefilter Type="int">2</basetexturefilter>
<basetexturelodbias Type="int">0</basetexturelodbias>
<basetexturemaxani Type="int">16</basetexturemaxani>
<brightness Type="int">66</brightness>
<carenvironmentmapenable Type="int">4</carenvironmentmapenable>
<carlodlevel Type="int">1</carlodlevel>
<enableaero Type="int">0</enableaero>
<firsttime Type="int">0</firsttime>
<forcesm1x Type="bool">false</forcesm1x>
<fsaalevel Type="int">4</fsaalevel>
<globaldetaillevel Type="int">4</globaldetaillevel>
<maxskidmarks Type="int">2</maxskidmarks>
<motionblurenable Type="int">0</motionblurenable>
<overbrightenable Type="int">1</overbrightenable>
<particlesystemenable Type="int">1</particlesystemenable>
<performancelevel Type="int">5</performancelevel>
<pixelaspectratiooverride Type="float">0</pixelaspectratiooverride>
<rainenable Type="int">0</rainenable>
<roadreflectionenable Type="int">2</roadreflectionenable>
<roadtexturefilter Type="int">2</roadtexturefilter>
<roadtexturelodbias Type="int">0</roadtexturelodbias>
<roadtexturemaxani Type="int">16</roadtexturemaxani>
<screenheight Type="int">1080</screenheight>
<screenleft Type="int">10</screenleft>
<screenrefresh Type="int">60</screenrefresh>
<screentop Type="int">32</screentop>
<screenwidth Type="int">1920</screenwidth>
<screenwindowed Type="int">0</screenwindowed>
<shaderdetail Type="int">4</shaderdetail>
<shadowdetail Type="int">2</shadowdetail>
<size Type="int">0</size>
<version Type="int">65545</version>
<visualtreatment Type="int">1</visualtreatment>
<vsyncon Type="int">1</vsyncon>
<watersimenable Type="int">1</watersimenable>
