я вот сделал 3 пункта тюнинга это  void Main() 
 { 
 /////////////////////////////////////////// 
 int fileHandle; 
 string Dver = ""; 
 fileHandle = iFileReadOpen(".\\Car\\Dver.txt"); 
 if (fileHandle != -1) 
 { 
 iFileStringRead(fileHandle,Dver); 
 iFileClose(fileHandle); 
 } 
 iObjectTextSet(OBJ_0,Dver); 
 if(Dver == "1") 
 { 
 iObjectShow(OBJ_110); 
 iObjectShow(OBJ_132); 
 } 
 int fileHandle2; 
 string Bagaznik = ""; 
 fileHandle2 = iFileReadOpen(".\\Car\\Bagaz.txt"); 
 if (fileHandle2 != -1) 
 { 
 iFileStringRead(fileHandle2,Bagaznik); 
 iFileClose(fileHandle2); 
 } 
 iObjectTextSet(OBJ_198,Bagaznik); 
 if(Bagaznik == "1") 
 { 
 iObjectShow(OBJ_88); 
 iObjectShow(OBJ_154); 
 } 
 int fileHandle3; 
 string Bamper = ""; 
 fileHandle3 = iFileReadOpen(".\\Car\\Bamper.txt"); 
 if (fileHandle3 != -1) 
 { 
 iFileStringRead(fileHandle3,Bamper); 
 iFileClose(fileHandle3); 
 } 
 iObjectTextSet(OBJ_220,Bamper); 
 if(Bamper == "1") 
 { 
 iObjectShow(OBJ_22); 
 iObjectShow(OBJ_44); 
 } 
 if(Bamper == "2") 
 { 
 iObjectHide(OBJ_22); 
 iObjectHide(OBJ_44); 
 } 
 if(Bagaznik == "2") 
 { 
 iObjectHide(OBJ_154); 
 iObjectHide(OBJ_88); 
 } 
 if(Dver == "2") 
 { 
 iObjectHide(OBJ_110); 
 iObjectHide(OBJ_132); 
 } 
 } 
 + 
 void Main() 
 { 
 int fileHandle; 
 string Dver = ""; 
 if (IN_67 >0) 
 if(IN_88 >0) 
 { 
 fileHandle = iFileWriteOpen(".\\Car\\Dver.txt"); 
 if (fileHandle != -1) 
 { 
 iFileStringWrite(fileHandle,"1",true); 
 iFileClose(fileHandle); 
 } 
 fileHandle = iFileReadOpen(".\\Car\\Dver.txt"); 
 if (fileHandle != -1) 
 { 
 iFileStringRead(fileHandle,Dver); 
 iFileClose(fileHandle); 
 } 
 iObjectTextSet(OBJ_0,Dver); 
 } 
 if(Dver == "1") 
 { 
 iObjectShow(OBJ_44); 
 iObjectShow(OBJ_22); 
 } 
 int fileHandle2; 
 string Bagaznik = ""; 
 if (IN_111 >0) 
 if(IN_88 >0) 
 { 
 fileHandle2 = iFileWriteOpen(".\\Car\\Bagaz.txt"); 
 if (fileHandle2 != -1) 
 { 
 iFileStringWrite(fileHandle2,"1",true); 
 iFileClose(fileHandle2); 
 } 
 fileHandle2 = iFileReadOpen(".\\Car\\Bagaz.txt"); 
 if (fileHandle2 != -1) 
 { 
 iFileStringRead(fileHandle2,Bagaznik); 
 iFileClose(fileHandle2); 
 } 
 iObjectTextSet(OBJ_308,Bagaznik); 
 } 
 if(Bagaznik == "1") 
 { 
 iObjectShow(OBJ_132); 
 iObjectShow(OBJ_154); 
 } 
 int fileHandle3; 
 string Bamper = ""; 
 if (IN_177 >0) 
 if(IN_88 >0) 
 { 
 fileHandle3 = iFileWriteOpen(".\\Car\\Bamper.txt"); 
 if (fileHandle3 != -1) 
 { 
 iFileStringWrite(fileHandle3,"1",true); 
 iFileClose(fileHandle3); 
 } 
 fileHandle3 = iFileReadOpen(".\\Car\\Bamper.txt"); 
 if (fileHandle3 != -1) 
 { 
 iFileStringRead(fileHandle3,Bamper); 
 iFileClose(fileHandle3); 
 } 
 iObjectTextSet(OBJ_330,Bamper); 
 } 
 if(Bamper == "1") 
 { 
 iObjectShow(OBJ_198); 
 iObjectShow(OBJ_220); 
 } 
 if (IN_243 >0) 
 if(IN_88 >0) 
 { 
 fileHandle2 = iFileWriteOpen(".\\Car\\Bagaz.txt"); 
 if (fileHandle2 != -1) 
 { 
 iFileStringWrite(fileHandle2,"2",true); 
 iFileClose(fileHandle2); 
 } 
 fileHandle2 = iFileReadOpen(".\\Car\\Bagaz.txt"); 
 if (fileHandle2 != -1) 
 { 
 iFileStringRead(fileHandle2,Bagaznik); 
 iFileClose(fileHandle2); 
 } 
 iObjectTextSet(OBJ_0,Bagaznik); 
 fileHandle3 = iFileWriteOpen(".\\Car\\Bamper.txt"); 
 if (fileHandle3 != -1) 
 { 
 iFileStringWrite(fileHandle3,"2",true); 
 iFileClose(fileHandle3); 
 } 
 fileHandle3 = iFileReadOpen(".\\Car\\Bamper.txt"); 
 if (fileHandle3 != -1) 
 { 
 iFileStringRead(fileHandle3,Bamper); 
 iFileClose(fileHandle3); 
 } 
 iObjectTextSet(OBJ_0,Bamper); 
 fileHandle = iFileWriteOpen(".\\Car\\Dver.txt"); 
 if (fileHandle != -1) 
 { 
 iFileStringWrite(fileHandle,"2",true); 
 iFileClose(fileHandle); 
 } 
 fileHandle = iFileReadOpen(".\\Car\\Dver.txt"); 
 if (fileHandle != -1) 
 { 
 iFileStringRead(fileHandle,Dver); 
 iFileClose(fileHandle); 
 } 
 iObjectTextSet(OBJ_0,Dver); 
 } 
 if(Bamper == "2") 
 { 
 iObjectHide(OBJ_198); 
 iObjectHide(OBJ_220); 
 } 
 if(Bagaznik == "2") 
 { 
 iObjectHide(OBJ_132); 
 iObjectHide(OBJ_154); 
 } 
 if(Dver == "2") 
 { 
 iObjectHide(OBJ_44); 
 iObjectHide(OBJ_22); 
 } 
 if(IN_88 >0) 
 if(IN_265 >0) 
 iObjectStart(OBJ_286); 
 } 
 а прикинь 10 машин и у каждой по 3 пункта тюнинга и + выбор 10 машин тоесть это колво скрипта 
 умножить на 10 + еще 10 таких скриптов =)