gistfile1.php

<?php
  add_filter( 'bp_core_fetch_avatar', 'my_bp_core_fetch_avatar', 10, 9 );
	function my_bp_core_fetch_avatar ($value, $params, $item_id, $avatar_dir, $css_id, $html_width, $html_height, $avatar_folder_url, $avatar_folder_dir) {

		$avatar_url = pods_image_url ( pods( 'user', $item_id )->field( 'avatar' ) );
		return '<img src="' . $avatar_url . '" class="' . esc_attr( $params[ 'class' ] ) . '"' . $css_id . $html_width . $html_height . $params[ 'alt' ] . $params[ 'title'] . ' />';
	}

	add_filter( 'bp_core_fetch_avatar_url', 'my_bp_core_fetch_avatar_url', 10, 2 );
	function my_bp_core_fetch_avatar_url( $value, $params ) {

		return pods_image_url ( pods( 'user', $params[ 'item_id' ] )->field( 'avatar' ) );
	}