diff --git a/addons/website_event_sale/views/website_event_sale.xml b/addons/website_event_sale/views/website_event_sale.xml
index 0a94514938b..36bd680efbc 100644
--- a/addons/website_event_sale/views/website_event_sale.xml
+++ b/addons/website_event_sale/views/website_event_sale.xml
@@ -79,7 +79,7 @@
     </xpath>
 </template>
 
-<template id="cart" inherit_id="website_sale.cart" name="Hide product reduction for event tickets">
+<template id="cart" inherit_id="website_sale.cart_lines" name="Hide product reduction for event tickets">
     <xpath expr="//del" position="attributes">
         <attribute name="t-attf-class" separator=" " add="#{line.event_id and 'hidden' or ''}"/>
     </xpath>
diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index 17eed6657dc..0d0b7b938f1 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -363,7 +363,7 @@ class website_sale(http.Controller):
         return request.redirect("/shop/cart")
 
     @http.route(['/shop/cart/update_json'], type='json', auth="public", methods=['POST'], website=True)
-    def cart_update_json(self, product_id, line_id, add_qty=None, set_qty=None, display=True):
+    def cart_update_json(self, product_id, line_id=None, add_qty=None, set_qty=None, display=True):
         order = request.website.sale_get_order(force_create=1)
         if order.state != 'draft':
             request.website.sale_reset()
@@ -375,9 +375,14 @@ class website_sale(http.Controller):
             return {}
         if not display:
             return None
+
+        order = request.website.sale_get_order()
         value['cart_quantity'] = order.cart_quantity
-        value['website_sale.total'] = request.website._render("website_sale.total", {
-                'website_sale_order': request.website.sale_get_order()
+        value['website_sale.cart_lines'] = request.website._render("website_sale.cart_lines", {
+                'website_sale_order': order,
+                'compute_currency': lambda price: request.registry['res.currency']._compute(request.cr, request.uid,
+                    order.company_id.currency_id, order.pricelist_id.currency_id, price, context=request.context),
+                'suggested_products': order.with_context(pricelist=order.pricelist_id.id)._cart_accessories()
             })
         return value
 
diff --git a/addons/website_sale/static/src/js/website_sale.js b/addons/website_sale/static/src/js/website_sale.js
index 52c58c09012..49850e61891 100644
--- a/addons/website_sale/static/src/js/website_sale.js
+++ b/addons/website_sale/static/src/js/website_sale.js
@@ -98,14 +98,17 @@ $('.oe_website_sale').each(function () {
             product_ids.push(entry[0]);});
         var qty = $(event.target).closest('form').find('input[name="add_qty"]').val();
 
-        ajax.jsonRpc("/shop/get_unit_price", 'call', {'product_ids': product_ids,'add_qty': parseInt(qty)})
-        .then(function (data) {
-            var current = product_dom.data("attribute_value_ids");
-            for(var j=0; j < current.length; j++){
-                current[j][2] = data[current[j][0]];
-            }
-            product_dom.attr("data-attribute_value_ids", JSON.stringify(current)).trigger("change");
-        });
+        if ($("#product_detail").length) {
+            // display the reduction from the pricelist in function of the quantity
+            ajax.jsonRpc("/shop/get_unit_price", 'call', {'product_ids': product_ids,'add_qty': parseInt(qty)})
+            .then(function (data) {
+                var current = product_dom.data("attribute_value_ids");
+                for(var j=0; j < current.length; j++){
+                    current[j][2] = data[current[j][0]];
+                }
+                product_dom.attr("data-attribute_value_ids", JSON.stringify(current)).trigger("change");
+            });
+        }
     });
 
     // change for css
@@ -121,7 +124,7 @@ $('.oe_website_sale').each(function () {
           };
     })();
 
-    $(oe_website_sale).find(".oe_cart input.js_quantity").on("change", function () {
+    $(oe_website_sale).on("change", ".oe_cart input.js_quantity", function () {
       var $input = $(this);
         if ($input.data('update_change')) {
             return;
@@ -140,65 +143,46 @@ $('.oe_website_sale').each(function () {
         });
         if (isNaN(value)) value = 0;
         $input.data('update_change', true);
-        if ($(this).hasClass('js_no_gup')) { // if get_unit_price (gup) not needed
-            var gup = $.when();
-        }
-        else {
-            var gup = ajax.jsonRpc("/shop/get_unit_price", 'call', {
-                'product_ids': product_ids,
-                'add_qty': value,
-                'use_order_pricelist': true})
-            .then(function (res) {
-                //basic case
-                $dom.find('span.oe_currency_value').last().text(res[product_id].toFixed(2));
-                $dom.find('.text-danger').toggle(res[product_id]<default_price && (default_price-res[product_id] > default_price/100));
-                //optional case
-                $dom_optional.each(function(){
-                    var id = $(this).find('span[data-product-id]').data('product-id');
-                    var price = parseFloat($(this).find(".text-danger > span.oe_currency_value").text());
-                    $(this).find("span.oe_currency_value").last().text(res[id].toFixed(2));
-                    $(this).find('.text-danger').toggle(res[id]<price && (price-res[id]>price/100));
-                });
-            });
-        }
-        gup.then(function(res) {
-            ajax.jsonRpc("/shop/cart/update_json", 'call', {
-            'line_id': line_id,
-            'product_id': parseInt($input.data('product-id'),10),
-            'set_qty': value})
-            .then(function (data) {
-                $input.data('update_change', false);
-                if (value !== parseInt($input.val(), 10)) {
-                    $input.trigger('change');
-                    return;
-                }
-                if (!data.quantity) {
-                    location.reload(true);
-                    return;
-                }
-                var $q = $(".my_cart_quantity");
-                $q.parent().parent().removeClass("hidden", !data.quantity);
-                $q.html(data.cart_quantity).hide().fadeIn(600);
 
-                $input.val(data.quantity);
-                $('.js_quantity[data-line-id='+line_id+']').val(data.quantity).html(data.quantity);
-                $("#cart_total").replaceWith(data['website_sale.total']);
-                if (data.warning) {
-                    var cart_alert = $('.oe_cart').parent().find('#data_warning');
-                    if (cart_alert.length === 0) {
-                        $('.oe_cart').prepend('<div class="alert alert-danger alert-dismissable" role="alert" id="data_warning">'+
-                                '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button> ' + data.warning + '</div>');
-                    }
-                    else {
-                        cart_alert.html('<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button> ' + data.warning);
-                    }
-                    $input.val(data.quantity);
+        ajax.jsonRpc("/shop/cart/update_json", 'call', {
+        'line_id': line_id,
+        'product_id': parseInt($input.data('product-id'),10),
+        'set_qty': value})
+        .then(function (data) {
+            $input.data('update_change', false);
+            if (value !== parseInt($input.val(), 10)) {
+                $input.trigger('change');
+                return;
+            }
+            var $q = $(".my_cart_quantity");
+            $q.parent().parent().removeClass("hidden", !data.quantity);
+            $q.html(data.cart_quantity).hide().fadeIn(600);
+
+            $input.val(data.quantity);
+            $('.js_quantity[data-line-id='+line_id+']').val(data.quantity).html(data.quantity);
+
+            $(".js_cart_lines").first().before(data['website_sale.cart_lines']).end().remove();
+
+            if (data.warning) {
+                var cart_alert = $('.oe_cart').parent().find('#data_warning');
+                if (cart_alert.length === 0) {
+                    $('.oe_cart').prepend('<div class="alert alert-danger alert-dismissable" role="alert" id="data_warning">'+
+                            '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button> ' + data.warning + '</div>');
                 }
-            });
+                else {
+                    cart_alert.html('<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button> ' + data.warning);
+                }
+                $input.val(data.quantity);
+            }
         });
       }, 500);
     });
 
+    $(oe_website_sale).on("click", ".oe_cart a.js_add_suggested_products", function () {
+        $(this).prev('input').val(1).trigger('change');
+    });
+
+
     // hack to add and rome from cart with json
     $(oe_website_sale).on('click', 'a.js_add_cart_json', function (ev) {
         ev.preventDefault();
diff --git a/addons/website_sale/views/templates.xml b/addons/website_sale/views/templates.xml
index c4dc89e9b03..fd4e2973303 100644
--- a/addons/website_sale/views/templates.xml
+++ b/addons/website_sale/views/templates.xml
@@ -728,6 +728,71 @@
   </xpath>
 </template>
 
+<template id="cart_lines" name="Shopping Cart">
+  <div t-if="not website_sale_order or not website_sale_order.website_order_line" class="js_cart_lines well well-lg">
+      Your cart is empty!
+  </div>
+  <table class="table table-striped table-condensed js_cart_lines" id="cart_products" t-if="website_sale_order and website_sale_order.website_order_line">
+      <thead>
+          <tr>
+              <th width="100">Product</th>
+              <th></th>
+              <th width="130" class="text-center">Quantity</th>
+              <th width="100" class="text-center">Price</th>
+          </tr>
+      </thead>
+      <tbody>
+        <t t-foreach="website_sale_order.website_order_line" t-as="line">
+          <tr>
+              <td colspan="2" t-if="not line.product_id.product_tmpl_id"></td>
+              <td align="center" t-if="line.product_id.product_tmpl_id">
+                  <span t-field="line.product_id.image_small"
+                        t-field-options='{"widget": "image", "class": "img-rounded"}'/>
+              </td>
+              <td t-if="line.product_id.product_tmpl_id">
+                  <div>
+                      <a t-attf-href="/shop/product/#{ slug(line.product_id.product_tmpl_id) }">
+                          <strong t-esc="line.product_id.with_context(display_default_code=False).display_name"/>
+                      </a>
+                  </div>
+                  <div class="text-muted" t-esc="'\n'.join(line.name.splitlines()[1:])"/>
+              </td>
+              <td class="text-center" id="td-qty">
+                  <div class="input-group oe_website_spinner">
+                      <a t-attf-href="#" class="mb8 input-group-addon js_add_cart_json" data-no-instant="">
+                          <i class="fa fa-minus"></i>
+                      </a>
+                      <input type="text" class="js_quantity form-control"
+                          t-att-data-line-id="line.id"
+                          t-att-data-product-id="line.product_id.id"
+                          t-att-value="int(line.product_uom_qty)"/>
+                      <a t-attf-href="#" class="mb8 input-group-addon float_left js_add_cart_json" data-no-instant="">
+                          <i class="fa fa-plus"></i>
+                      </a>
+                  </div>
+              </td>
+              <td class="text-center" id="td-price" name="price">
+                  <del t-attf-class="text-danger #{compute_currency(line.product_id.lst_price) - line.price_reduce &lt; 1 and 'hidden' or ''}" style="text-decoration: line-through; white-space: nowrap;"
+                    t-field="line.product_id.lst_price" t-field-options='{
+                        "widget": "monetary",
+                        "from_currency": "line.company_id.currency_id",
+                        "display_currency": "user_id.partner_id.property_product_pricelist.currency_id"
+                    }'/>
+                <span t-field="line.price_reduce" style="white-space: nowrap;" t-field-options='{
+                     "widget": "monetary",
+                     "from_currency": "website_sale_order.pricelist_id.currency_id",
+                     "display_currency": "user_id.partner_id.property_product_pricelist.currency_id"
+                 }'/>
+              </td>
+          </tr>
+        </t>
+      </tbody>
+  </table>
+  <div class="js_cart_lines pull-right">
+     <t t-call="website_sale.total"/>
+  </div>
+</template>
+
 <template id="cart" name="Shopping Cart">
   <t t-call="website.layout">
       <div id="wrap">
@@ -738,67 +803,9 @@
           <h1 class="mb32">Shopping Cart</h1>
           <div class="row">
               <div class="col-md-8 col-sm-9 oe_cart">
-                  <div t-if="not website_sale_order or not website_sale_order.website_order_line" class="well well-lg">
-                      Your cart is empty!
-                  </div>
-                  <table class='table table-striped table-condensed' id="cart_products" t-if="website_sale_order and website_sale_order.website_order_line">
-                      <thead>
-                          <tr>
-                              <th colspan="2" width="100">Product</th>
-                              <th width="120">Quantity</th>
-                              <th width="100">Price</th>
-                          </tr>
-                      </thead>
-                      <tbody>
-                        <t t-foreach="website_sale_order.website_order_line" t-as="line">
-                          <tr>
-                              <td colspan="2" t-if="not line.product_id.product_tmpl_id"></td>
-                              <td align="center" t-if="line.product_id.product_tmpl_id">
-                                  <span t-field="line.product_id.image_small"
-                                        t-field-options='{"widget": "image", "class": "img-rounded"}'/>
-                              </td>
-                              <td t-if="line.product_id.product_tmpl_id">
-                                  <div>
-                                      <a t-attf-href="/shop/product/#{ slug(line.product_id.product_tmpl_id) }">
-                                          <strong t-esc="line.product_id.with_context(display_default_code=False).display_name"/>
-                                      </a>
-                                  </div>
-                                  <div class="text-muted" t-esc="'\n'.join(line.name.splitlines()[1:])"/>
-                              </td>
-                              <td class="text-center" id="td-qty">
-                                  <div class="input-group oe_website_spinner">
-                                      <a t-attf-href="#" class="mb8 input-group-addon js_add_cart_json" data-no-instant="">
-                                          <i class="fa fa-minus"></i>
-                                      </a>
-                                      <input type="text" class="js_quantity js_no_gup form-control"
-                                          t-att-data-line-id="line.id"
-                                          t-att-data-product-id="line.product_id.id"
-                                          t-att-value="int(line.product_uom_qty)"/>
-                                      <a t-attf-href="#" class="mb8 input-group-addon float_left js_add_cart_json" data-no-instant="">
-                                          <i class="fa fa-plus"></i>
-                                      </a>
-                                  </div>
-                              </td>
-                              <td class="text-center" id="td-price" name="price">
-                                  <del t-attf-class="text-danger mr8 #{compute_currency(line.product_id.lst_price) - line.price_reduce &lt; 1 and 'hidden' or ''}" style="text-decoration: line-through; white-space: nowrap;"
-                                    t-field="line.product_id.lst_price" t-field-options='{
-                                        "widget": "monetary",
-                                        "from_currency": "line.company_id.currency_id",
-                                        "display_currency": "user_id.partner_id.property_product_pricelist.currency_id"
-                                    }'/>
-                                <span t-field="line.price_reduce" style="white-space: nowrap;" t-field-options='{
-                                     "widget": "monetary",
-                                     "from_currency": "website_sale_order.pricelist_id.currency_id",
-                                     "display_currency": "user_id.partner_id.property_product_pricelist.currency_id"
-                                 }'/>
-                              </td>
-                          </tr>
-                        </t>
-                      </tbody>
-                  </table>
-                  <div class="pull-right">
-                     <t t-call="website_sale.total"/>
-                  </div>
+
+                  <t t-call="website_sale.cart_lines"/>
+
                   <div class="clearfix"/>
 
                   <a t-if="not optional_products and website_sale_order and website_sale_order.website_order_line" class="btn btn-primary pull-right mb32" href="/shop/checkout"><span class="hidden-xs">Process Checkout</span><span class="visible-xs-inline">Checkout</span> <span class="fa fa-long-arrow-right"/></a>
@@ -854,9 +861,9 @@
     </t>
 </template>
 
-<template id="suggested_products_list" inherit_id="website_sale.cart" customize_show="True" name="Suggested Products in my cart">
+<template id="suggested_products_list" inherit_id="website_sale.cart_lines" customize_show="True" name="Suggested Products in my cart">
   <xpath expr="//table[@id='cart_products']" position="after">
-      <table t-if="suggested_products" class='table table-striped table-condensed'>
+      <table t-if="suggested_products" class='js_cart_lines table table-striped table-condensed'>
           <colgroup>
               <col width="80"/>
               <col/>
@@ -900,11 +907,8 @@
                        }'/>
                   </td>
                   <td class="text-center">
-                    <form action="/shop/cart/update" method="post">
-                          <input type="hidden" name="csrf_token" t-att-value="request.csrf_token()"/>
-                          <input name="product_id" t-att-value="product.id" type="hidden"/>
-                          <a class="btn btn-link a-submit"><strong>Add to Cart</strong></a>
-                      </form>
+                      <input class="js_quantity" name="product_id" t-att-data-product-id="product.id" type="hidden"/>
+                      <a class="btn btn-link js_add_suggested_products"><strong>Add to Cart</strong></a>
                   </td>
               </tr>
           </tbody>
diff --git a/addons/website_sale_options/static/src/js/website_sale.js b/addons/website_sale_options/static/src/js/website_sale.js
index 4e4f86a84d0..c62120ea7ce 100644
--- a/addons/website_sale_options/static/src/js/website_sale.js
+++ b/addons/website_sale_options/static/src/js/website_sale.js
@@ -89,18 +89,6 @@ $('.oe_website_sale #add_to_cart, .oe_website_sale #products_grid .a-submit')
                                 product_ids.push(values[0]);
                             });
                         });
-                        ajax.jsonRpc("/shop/get_unit_price", 'call', {'product_ids': product_ids, 'add_qty': parseInt(qty)})
-                        .then(function (data) {
-                            for(var i=0; i < $products_dom.length; i++) {
-                                var current = $products_dom[i].data("attribute_value_ids");
-                                for(var j=0; j < current.length; j++){
-                                    current[j][2] = data[current[j][0]];
-                                }
-                                $products_dom[i].attr("data-attribute_value_ids", JSON.stringify(current)).trigger("change");
-                            }
-                            $dom.find(".oe_price .oe_currency_value").text(data[product_id].toFixed(2));
-                            $dom.find('.text-danger.oe_default_price').toggle(data[product_id]<default_price && (default_price-data[product_id]>default_price/100)).css('text-decoration', 'line-through');
-                        });
                 });
             });
         return false;
diff --git a/addons/website_sale_options/views/templates.xml b/addons/website_sale_options/views/templates.xml
index ea73413a845..ef35041cb1d 100644
--- a/addons/website_sale_options/views/templates.xml
+++ b/addons/website_sale_options/views/templates.xml
@@ -10,7 +10,7 @@
   </xpath>
 </template>
 
-<template id="optional_products" inherit_id="website_sale.cart" name="Optional products">
+<template id="optional_products" inherit_id="website_sale.cart_lines" name="Optional products">
   <xpath expr="//table[@id='cart_products']/tbody//td[@id='td-qty']/div" position="attributes">
     <attribute name="t-if">not line.linked_line_id</attribute>
   </xpath>