diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index d7982a44069..2bbd1759453 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -16,7 +16,7 @@
  */
 
 /**
- * \file        bom/class/bom.class.php
+ * \file        htdocs/bom/class/bom.class.php
  * \ingroup     bom
  * \brief       This file is a CRUD class file for BOM (Create/Read/Update/Delete)
  */
@@ -1064,6 +1064,43 @@ class BOM extends CommonObject
 		return $this->setStatusCommon($user, self::STATUS_VALIDATED, $notrigger, 'BOM_REOPEN');
 	}
 
+	/**
+	 * getTooltipContentArray
+	 * @param array $params params to construct tooltip data
+	 * @since v18
+	 * @return array
+	 */
+	public function getTooltipContentArray($params)
+	{
+		global $conf, $langs, $user;
+
+		$langs->load('mrp');
+
+		$datas = [];
+
+		if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
+			return ['optimize' => $langs->trans("ShowBillOfMaterials")];
+		}
+		$picto = img_picto('', $this->picto).' <u class="paddingrightonly">'.$langs->trans("BillOfMaterials").'</u>';
+		if (isset($this->status)) {
+			$picto .= ' '.$this->getLibStatut(5);
+		}
+		$datas['picto'] = $picto;
+		$datas['ref'] = '<br><b>'.$langs->trans('Ref').':</b> '.$this->ref;
+		if (isset($this->label)) {
+			$datas['label'] = '<br><b>'.$langs->trans('Label').':</b> '.$this->label;
+		}
+		if (!empty($this->fk_product) && $this->fk_product > 0) {
+			include_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+			$product = new Product($this->db);
+			$resultFetch = $product->fetch($this->fk_product);
+			if ($resultFetch > 0) {
+				$datas['product'] = "<br><b>".$langs->trans("Product").'</b>: '.$product->ref.' - '.$product->label;
+			}
+		}
+
+		return $datas;
+	}
 
 	/**
 	 *  Return a link to the object card (with optionaly the picto)
@@ -1123,8 +1160,18 @@ class BOM extends CommonObject
 				$label = $langs->trans("ShowBillOfMaterials");
 				$linkclose .= ' alt="'.dol_escape_htmltag($label, 1).'"';
 			}
-			$linkclose .= ' title="'.dol_escape_htmltag($label, 1).'"';
-			$linkclose .= ' class="classfortooltip'.($morecss ? ' '.$morecss : '').'"';
+			if (getDolGlobalInt('MAIN_ENABLE_AJAX_TOOLTIP')) {
+				$params = [
+					'id' => $this->id,
+					'objecttype' => $this->element,
+					'option' => $option,
+				];
+				$linkclose .= ' data-params='.json_encode($params).' id="' . uniqid('bom') . '" title="' . $langs->trans('Loading') . '"';
+				$linkclose .= ' class="classforajaxtooltip'.($morecss ? ' '.$morecss : '').'"';
+			} else {
+				$linkclose .= ' title="'.dol_escape_htmltag($label, 1).'"';
+				$linkclose .= ' class="classfortooltip'.($morecss ? ' '.$morecss : '').'"';
+			}
 		} else {
 			$linkclose = ($morecss ? ' class="'.$morecss.'"' : '');
 		}