/var/www/sugarcrm/themes/Sugar5/css/style.css

#Default_AOS_Products_Subpanel input[id=part_number] {  width: 800px; }
#Default_AOS_Products_Subpanel input[id=name] {  width: 800px; }

Не забыть удалить из кэша /var/www/sugarcrm/cache/themes/Sugar5/css/style.css

/var/www/sugarcrm/config.php

  array (
    'SuitePF' =>
    array (
      'display_sidebar' => false,
    ),
  ),
 

/var/www/sugarcrm/themes/SuitePF/css/style.css

  /**** SIDEBAR ****/
    .sidebar {
    -  display: block;
    +  display: hide;