[TLN]

Try this one, works for me, but remember that you need to be inside the vehicle.

pawn Код:

dcmd_removebike(playerid,params[])
{
    new Vehicle;
    Vehicle = GetPlayerVehicleID(playerid);
    if(GetVehicleModel(vehicleid) == 510)
    {
        DestroyVehicle(Vehicle);
    }
    return 1;
}