Redirect the Membership Account page to the user's BuddyPress Profile.

my_pmpro_buddypress_profile_template_redirect.php

<?php
/**
 * Redirect the Membership Account page to the user's BuddyPress Profile.
 *
 */
function my_pmpro_buddypress_profile_template_redirect() {
    global $pmpro_pages;

    // Make sure PMPro is active.
    if ( empty( $pmpro_pages ) ) {
        return;
	}
	
    // Make sure BuddyPress is active.
    if ( ! function_exists( 'bp_loggedin_user_domain' ) ) {
        return;
	}
	
    // Redirect the Membership Account page to the bbPress User Profile.
    if ( is_page( $pmpro_pages['account'] ) ) {
        wp_redirect( bp_loggedin_user_domain() );
        exit;
    }
}
add_action( 'template_redirect', 'my_pmpro_buddypress_profile_template_redirect' );