BCC email addresses based on membership level.

bcc-admin-email-for-a-level.php

<?php
/**
 * Tweaked from BCC Admin on Member Emails - https://www.paidmembershipspro.com/bcc-additional-email-addresses-on-member-or-admin-notifications/
 * Add this code to your PMPro Customizations Plugin.
 * Adjust the membership ID to match that of your levels.
 */
 
 function my_pmpro_email_headers( $headers, $email ) {	
	
	// Default BCC address to default email address.
	$admin_email = get_bloginfo("admin_email");	

	if ( intval( $email->data['membership_id'] ) == 5 ) {
		$admin_email = 'someemail@email.com';
	}

	//bcc emails not already going to admin_email
	if ( $email->email != get_bloginfo( "admin_email" ) ) {
		$headers[] = "Bcc:" . $admin_email;	
	}
 
	return $headers;
}
add_filter("pmpro_email_headers", "my_pmpro_email_headers", 10, 2);

This recipe is included in the blog post on "BCC Additional Email Addresses on Admin Notifications for Specific Membership Levels" at Paid Memberships Pro here: https://www.paidmembershipspro.com/bcc-additional-email-addresses-on-admin-notifications-for-specific-membership-levels/