Add the following code in customizer_class.php of wplms customizer plugin Or in functions.php of child theme.
add_action('init','bp_course_renew_subscription');
function bp_course_renew_subscription(){
if(function_exists('bp_course_enable_access')){
add_action('woocommerce_renewal_order_payment_complete','bp_course_enable_access');
}
}