function my_bp_redirect_assets() {
	$uri            = wp_guess_url();
	$bp_default_url = constant( 'BP_PLUGIN_URL' ) . 'bp-themes/bp-default/';

	// try to find a file extension; if none, stop now!
	if ( strpos( $uri, '.' ) === false ) {
		return;
	}

	// see if we're attempting to access a bp-default URL
	if ( strpos( $uri, $bp_default_url ) === false ) {
		return;
	}

	// get bp-default dir in regular theme directory
	$new_bp_default_dir = get_theme_root( 'bp-default' );
	$new_bp_default_dir = "{$new_bp_default_dir}/bp-default";

	// downloaded bp-default from theme repo doesn't exist
	if ( ! is_dir( $new_bp_default_dir ) ) {
		return;
	}

	// get the relative resource
	$resource = str_replace( $bp_default_url, '', $uri );

	/*
	// do checks for specific resources here if desired
	switch ( $resource ) {

	}
	*/

	/*
	// check if file exists at new location
	if ( ! file_exists( $new_bp_default_dir . '/' . $resource ) ) {
		return;
	}
	*/

	// redirect the resource to new bp-default location
	wp_safe_redirect( content_url( '/themes/bp-default/' . $resource ), 307 );
	die();
}
add_action( 'bp_loaded', 'my_bp_redirect_assets' );