diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/EquipmentLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/EquipmentLogic.cs
index 9fdb50c..f06e905 100644
--- a/CarCenter/CarCenterBusinessLogic/BusinessLogics/EquipmentLogic.cs
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/EquipmentLogic.cs
@@ -3,6 +3,7 @@ using CarCenterContracts.BusinessLogicsContracts;
 using CarCenterContracts.SearchModels;
 using CarCenterContracts.StoragesContracts;
 using CarCenterContracts.ViewModels;
+using CarCenterDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -107,6 +108,39 @@ namespace CarCenterBusinessLogic.BusinessLogics
             return true;
         }
 
+        public bool AddCarToEquipment(EquipmentSearchModel model, ICarModel car)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("AddCarToEquipment. EquipmentName:{EquipmentName}.Id:{ Id}", model.EquipmentName, model.Id);
+            var element = _equipmentStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("AddCarToEquipment element not found");
+                return false;
+            }
+
+            _logger.LogInformation("AddCarToEquipment find. Id:{Id}", element.Id);
+
+            element.EquipmentCars[car.Id] = car;
+
+            _equipmentStorage.Update(new()
+            {
+                Id = element.Id,
+                EquipmentName = element.EquipmentName,
+                EquipmentPrice = element.EquipmentPrice,
+                AdministratorId = element.AdministratorId,
+                PreSaleWorkId = element.PreSaleWorkId,
+                EquipmentCars = element.EquipmentCars,
+            });
+
+            return true;
+        }
+
         private void CheckModel(EquipmentBindingModel model, bool withParams = true)
         {
             if (model == null)
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/InspectionLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/InspectionLogic.cs
index de69b5f..9cf313f 100644
--- a/CarCenter/CarCenterBusinessLogic/BusinessLogics/InspectionLogic.cs
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/InspectionLogic.cs
@@ -3,6 +3,7 @@ using CarCenterContracts.BusinessLogicsContracts;
 using CarCenterContracts.SearchModels;
 using CarCenterContracts.StoragesContracts;
 using CarCenterContracts.ViewModels;
+using CarCenterDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -108,6 +109,39 @@ namespace CarCenterBusinessLogic.BusinessLogics
             return true;
         }
 
+        public bool AddCarToInspection(InspectionSearchModel model, ICarModel car)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("AddCarToInspection. InspectionName:{InspectionName}.Id:{ Id}", model.InspectionName, model.Id);
+            var element = _inspectionStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("AddCarToInspection element not found");
+                return false;
+            }
+
+            _logger.LogInformation("AddCarToInspection find. Id:{Id}", element.Id);
+
+            element.InspectionCars[car.Id] = car;
+
+            _inspectionStorage.Update(new()
+            {
+                Id = element.Id,
+                InspectionName = element.InspectionName,
+                InspectionDate = element.InspectionDate,
+                AdministratorId = element.AdministratorId,
+                EmployeeId = element.EmployeeId,
+                InspectionCars = element.InspectionCars
+            });
+
+            return true;
+        }
+
         private void CheckModel(InspectionBindingModel model, bool withParams = true)
         {
             if (model == null)