diff --git a/addons/mrp/mrp_view.xml b/addons/mrp/mrp_view.xml
index 2f1c4990871..46fea66f473 100644
--- a/addons/mrp/mrp_view.xml
+++ b/addons/mrp/mrp_view.xml
@@ -391,14 +391,14 @@
                                 <tree string="Components" editable="bottom">
                                     <field name="sequence" widget="handle"/>
                                     <field name="product_id" on_change="onchange_product_id(product_id, product_qty)"/>
-                                    <field name="type"/>
+                                    <field name="type" groups="mrp.group_route_line_type"/>
                                     <field name="product_qty"/>
-                                    <field name="product_rounding"/>
-                                    <field name="product_efficiency"/>
+                                    <field name="product_rounding" groups="mrp.group_rounding_efficiency"/>
+                                    <field name="product_efficiency" groups="mrp.group_rounding_efficiency"/>
                                     <field name="product_uom" on_change="onchange_uom(product_id, product_uom)" groups="product.group_uom"/>
                                     <field name="date_start"/>
                                     <field name="date_stop"/>
-                                    <field name="routing_id"/>
+                                    <field name="routing_id" groups="mrp.group_mrp_routings,mrp.group_route_line_type"/>
                                     <field name="attribute_value_ids" widget="many2many_tags"/>
                                 </tree>
                             </field>
@@ -491,7 +491,7 @@
             </field>
         </record>
 
-       <record id="mrp_bom_component_tree_view" model="ir.ui.view">
+        <record id="mrp_bom_component_tree_view" model="ir.ui.view">
             <field name="name">mrp.bom.component.tree</field>
             <field name="model">mrp.bom.line</field>
             <field name="arch" type="xml">
@@ -534,24 +534,6 @@
             </field>
         </record>
 
-        <record id="mrp_bom_form_action2" model="ir.actions.act_window">
-            <field name="name">Bill of Material Components</field>
-            <field name="type">ir.actions.act_window</field>
-            <field name="res_model">mrp.bom.line</field>
-            <field name="view_type">tree</field>
-            <field name="view_mode">tree</field>
-            <field name="view_id" eval="False"/> <!-- Force empty -->
-            <field name="help" type="html">
-              <p class="oe_view_nocontent_create">
-                Click to add a component to a bill of material.
-              </p><p>
-                Bills of materials components are components and by-products
-                used to create master bills of materials.  Use this menu to
-                search in which BoM a specific component is used.
-              </p>
-            </field>
-        </record>
-
         <record id="product_template_search_view_procurment" model="ir.ui.view">
              <field name="name">product.template.search.bom</field>
              <field name="model">product.template</field>
diff --git a/addons/mrp/res_config.py b/addons/mrp/res_config.py
index 39140820886..49ca914f0a9 100644
--- a/addons/mrp/res_config.py
+++ b/addons/mrp/res_config.py
@@ -52,6 +52,12 @@ class mrp_config_settings(osv.osv_memory):
         'group_mrp_properties': fields.boolean("Allow several bill of materials per products using properties",
             implied_group='product.group_mrp_properties',
             help="""The selection of the right Bill of Material to use will depend on the properties specified on the sales order and the Bill of Material."""),
+        'group_route_line_type': fields.boolean("Manage multi level Bill of Materials",
+            implied_group='mrp.group_route_line_type',
+            help="""Allow to manage multi level bill of material"""),
+        'group_rounding_efficiency': fields.boolean("Manage rounding and efficiency of BoM components",
+            implied_group='mrp.group_rounding_efficiency',
+            help="""Allow to manage product rounding on quantity and product efficiency during production process"""),
     }
 
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/addons/mrp/res_config_view.xml b/addons/mrp/res_config_view.xml
index bd717e754d9..13264b77f20 100644
--- a/addons/mrp/res_config_view.xml
+++ b/addons/mrp/res_config_view.xml
@@ -60,6 +60,19 @@
                             </div>
                         </div>
                     </group>
+                    <group>
+                        <label for="id" string="Bill of Materials"/>
+                        <div>
+                            <div>
+                                <field name="group_route_line_type" class="oe_inline"/>
+                                <label for="group_route_line_type"/>
+                            </div>
+                            <div>
+                                <field name="group_rounding_efficiency" class="oe_inline"/>
+                                <label for="group_rounding_efficiency" />
+                            </div>
+                        </div>
+                    </group>
                 </form>
             </field>
         </record>
diff --git a/addons/mrp/security/mrp_security.xml b/addons/mrp/security/mrp_security.xml
index 1320ea26906..f0d21c0e20d 100644
--- a/addons/mrp/security/mrp_security.xml
+++ b/addons/mrp/security/mrp_security.xml
@@ -19,6 +19,16 @@
         <field name="category_id" ref="base.module_category_hidden"/>
     </record>
 
+    <record id="group_route_line_type" model="res.groups">
+        <field name="name">Manage multi level BOM</field>
+        <field name="category_id" ref="base.module_category_hidden"/>
+    </record>
+
+    <record id="group_rounding_efficiency" model="res.groups">
+        <field name="name">Manage rounding and efficiency of BoM components</field>
+        <field name="category_id" ref="base.module_category_hidden"/>
+    </record>
+
 </data>
 <data noupdate="1">
 <!-- Multi -->