[twobyte]

Great thanks.

I added a custom shortcode to the form to embed group_id as a hidden input field then changed the wpcf7_mail_components filter:

add_filter( 'wpcf7_mail_components', 'ccc_group_mail_components', 10, 3 );

function ccc_group_mail_components( $components ) {
	global $bp;
	if ( isset( $_POST['group_id']) && $_POST['group_id'] > 0 ) {
		$group_id = $_POST['group_id'];
		$groupadmins = groups_get_group_admins( $group_id );
		$recipients = array();
		foreach( $groupadmins as $admin ) {
	   		$admin_info = get_userdata($admin->user_id);
			$recipients[] = $admin_info->user_email;
		}
		if(count($recipients)>0){
			$components['recipient'] = implode(",", $recipients);
		}else {
			// append a little alert to subject line so we know admin emails weren‘t found.
			$components['subject'] = $components['subject']. ' (Error: No group admins found)' ;
		}
		// lets tag subject line with group section as well for traceability
		$group = groups_get_group( array( 'group_id' => $group_id) );
		$components['subject'] = '['.$group->name.'] '.$components['subject'];
		
	}
		
	return $components;
}

It works now but I was having a proper time trying to get group name using bp_get_group_name($group_id) instead of groups_get_group( array( ‘group_id’ => $group_id) ). I suppose the former must be used in the loop!