This recipe will BCC additional email addresses when a member expired

my_pmpro_bcc_membership_expired_email.php

<?php   // do not copy this line.
/**
 * This recipe will BCC additional email addresses when a member expired
 * 
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpro_bcc_membership_expired_email( $headers, $email ) {		

	if ( 'membership_expired' == $email->template ) {
		// add bcc
		$headers[] = 'Bcc:' . '[email protected]';		
	}
 
	return $headers;
}
add_filter( 'pmpro_email_headers', 'my_pmpro_bcc_membership_expired_email', 10, 2 );