diff --git a/mrp_bom_dismantling/__openerp__.py b/mrp_bom_dismantling/__openerp__.py
index f0739421f..c0d5a93bf 100644
--- a/mrp_bom_dismantling/__openerp__.py
+++ b/mrp_bom_dismantling/__openerp__.py
@@ -13,7 +13,6 @@
     "installable": True,
     "depends": [
         'mrp_byproduct',
-        "stock_available_mrp",
     ],
     "data": [
         "views/mrp_bom.xml",
diff --git a/mrp_bom_dismantling/models/product_product.py b/mrp_bom_dismantling/models/product_product.py
index 3dbc83ff4..8d0051d12 100644
--- a/mrp_bom_dismantling/models/product_product.py
+++ b/mrp_bom_dismantling/models/product_product.py
@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
+# © 2017 Eficent Business and IT Consulting Services S.L.
 # © 2016 Cyril Gaudin (Camptocamp)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
+from collections import Counter
 from openerp import models
 
 
@@ -17,3 +19,28 @@ class ProductProduct(models.Model):
         )
         result['domain'] = [('dismantling', '=', False)]
         return result
+
+    def _get_components_needs(self, product, bom):
+        """ Return the needed qty of each compoments in the *bom* of *product*.
+
+        :type product: product_product
+        :type bom: mrp_bom
+        :rtype: collections.Counter
+        """
+        bom_obj = self.env['mrp.bom']
+        uom_obj = self.env['product.uom']
+        product_obj = self.env['product.product']
+        needs = Counter()
+        for bom_component in bom_obj._bom_explode(bom, product, 1.0)[0]:
+            product_uom = uom_obj.browse(bom_component['product_uom'])
+            component = product_obj.browse(bom_component['product_id'])
+
+            component_qty = uom_obj._compute_qty_obj(
+                product_uom,
+                bom_component['product_qty'],
+                component.uom_id,
+            )
+            needs += Counter(
+                {component: component_qty}
+            )
+        return needs