// Filter wp_nav_menu() to add profile link to a specific wp_nav_menu 
// For example: 'theme_location' =>'mamamia' 
// Replace mamamia with your menu's theme_location

function mme_nav_menu_profile_link($menu, $args) {
	$profilelink = '<li><a href="' . bp_loggedin_user_domain( '/' ) . '">' . __('My Profile', 'buddypress' ) . '</a></li>';
	if (is_user_logged_in() && ‘mamamia’ == $args->theme_location )
		return $profilelink . $menu;
	else
		return $menu;
}
add_filter( ‘wp_nav_menu_items’, ‘mme_nav_menu_profile_link’, 10, 2);