diff --git a/server/vbv_lernwelt/assignment/tests/test_assignment_api.py b/server/vbv_lernwelt/assignment/tests/test_assignment_api.py
index 704705b6..86fe4edf 100644
--- a/server/vbv_lernwelt/assignment/tests/test_assignment_api.py
+++ b/server/vbv_lernwelt/assignment/tests/test_assignment_api.py
@@ -28,7 +28,6 @@ class AssignmentApiTestCase(APITestCase):
         self.cs = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Lehrgang Session",
-            import_id="Test Lehrgang Session",
         )
         self.student = User.objects.get(username="student")
         self.student_csu = CourseSessionUser.objects.create(
diff --git a/server/vbv_lernwelt/assignment/tests/test_services.py b/server/vbv_lernwelt/assignment/tests/test_services.py
index 56bf9558..64e24d77 100644
--- a/server/vbv_lernwelt/assignment/tests/test_services.py
+++ b/server/vbv_lernwelt/assignment/tests/test_services.py
@@ -33,7 +33,6 @@ class UpdateAssignmentCompletionTestCase(TestCase):
         self.course_session = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Bern 2022 a",
-            import_id="Bern 2022 a",
         )
         self.user = User.objects.get(username="student")
         self.trainer = User.objects.get(username="admin")
diff --git a/server/vbv_lernwelt/course/creators/test_course.py b/server/vbv_lernwelt/course/creators/test_course.py
index 66b46e69..e6681709 100644
--- a/server/vbv_lernwelt/course/creators/test_course.py
+++ b/server/vbv_lernwelt/course/creators/test_course.py
@@ -83,13 +83,11 @@ def create_test_course(include_uk=True, include_vv=True, with_sessions=False):
         cs_bern = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Bern 2022 a",
-            import_id="Test Bern 2022 a",
             id=TEST_COURSE_SESSION_BERN_ID,
         )
         cs_zurich = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Zürich 2022 a",
-            import_id="Test Zürich 2022 a",
             id=TEST_COURSE_SESSION_ZURICH_ID,
         )
 
diff --git a/server/vbv_lernwelt/course/management/commands/create_default_courses.py b/server/vbv_lernwelt/course/management/commands/create_default_courses.py
index 6eba6df4..12363a7e 100644
--- a/server/vbv_lernwelt/course/management/commands/create_default_courses.py
+++ b/server/vbv_lernwelt/course/management/commands/create_default_courses.py
@@ -1,3 +1,4 @@
+import os
 import random
 
 import djclick as click
@@ -43,9 +44,15 @@ from vbv_lernwelt.course.creators.uk_training_course import (
 from vbv_lernwelt.course.creators.versicherungsvermittlerin import (
     create_versicherungsvermittlerin_with_categories,
 )
-from vbv_lernwelt.course.models import CoursePage, CourseSession, CourseSessionUser
+from vbv_lernwelt.course.models import (
+    CoursePage,
+    CourseSession,
+    CourseSessionUser,
+    Course,
+)
 from vbv_lernwelt.course.services import mark_course_completion
 from vbv_lernwelt.feedback.creators.create_demo_feedback import create_feedback
+from vbv_lernwelt.importer.services import import_course_sessions_from_excel
 from vbv_lernwelt.learnpath.create_vv_new_learning_path import (
     create_vv_new_learning_path,
 )
@@ -117,7 +124,6 @@ def create_versicherungsvermittlerin_course():
     cs = CourseSession.objects.create(
         course_id=COURSE_VERSICHERUNGSVERMITTLERIN_ID,
         title="Versicherungsvermittler/-in",
-        import_id="Versicherungsvermittler/-in",
     )
     for user_data in default_users:
         CourseSessionUser.objects.create(
@@ -186,7 +192,6 @@ def create_course_uk_de():
     cs = CourseSession.objects.create(
         course_id=COURSE_UK,
         title="Bern 2023 a",
-        import_id="Bern 2023 a",
         attendance_courses=[
             {
                 "learningContentId": LearningContentAttendanceCourse.objects.get(
@@ -282,7 +287,6 @@ def create_course_uk_de():
     cs = CourseSession.objects.create(
         course_id=COURSE_UK,
         title="Zürich 2023 a",
-        import_id="Zürich 2023 a",
     )
     # for user_data in default_users:
     #     CourseSessionUser.objects.create(
@@ -325,7 +329,6 @@ def create_course_uk_fr():
     cs = CourseSession.objects.create(
         course_id=COURSE_UK_FR,
         title="Cours hors établissement année 1 - Région Fribourg",
-        import_id="Cours hors établissement année 1 - Région Fribourg",
     )
 
     csu = CourseSessionUser.objects.create(
@@ -443,22 +446,16 @@ def create_course_training_de():
     create_uk_training_competence_profile(course_id=COURSE_UK_TRAINING)
     create_default_media_library(course_id=COURSE_UK_TRAINING)
 
-    cs = CourseSession.objects.create(
-        course_id=COURSE_UK_TRAINING,
-        title="myVBV Training",
-        import_id="myVBV Training",
-        attendance_courses=[
-            {
-                "learningContentId": LearningContentAttendanceCourse.objects.get(
-                    slug=f"{course.slug}-lp-circle-fahrzeug-lc-präsenzkurs-fahrzeug"
-                ).id,
-                "start": "2023-05-23T08:30:00+0200",
-                "end": "2023-05-23T17:00:00+0200",
-                "location": "Handelsschule KV Bern, Zimmer 123, Eigerstrasse 16, 3012 Bern",
-                "trainer": "Roland Grossenbacher, roland.grossenbacher@helvetia.ch",
-            }
-        ],
-        assignment_details_list=[
+    current_dir = os.path.dirname(os.path.realpath(__file__))
+    print(current_dir)
+    course = Course.objects.get(id=COURSE_UK_TRAINING)
+    import_course_sessions_from_excel(
+        course,
+        f"{current_dir}/../../../importer/tests/Schulungen_Durchfuehrung_Trainer.xlsx",
+    )
+
+    for cs in CourseSession.objects.filter(course_id=COURSE_UK_TRAINING):
+        cs.assignment_details_list = [
             {
                 "learningContentId": LearningContentAssignment.objects.get(
                     slug=f"{course.slug}-lp-circle-fahrzeug-lc-überprüfen-einer-motorfahrzeug-versicherungspolice"
@@ -473,5 +470,5 @@ def create_course_training_de():
                 "submissionDeadlineDateTimeUtc": "2023-06-13T19:00:00Z",
                 "evaluationDeadlineDateTimeUtc": "2023-06-27T19:00:00Z",
             },
-        ],
-    )
+        ]
+        cs.save()
diff --git a/server/vbv_lernwelt/course/migrations/0004_import_fields.py b/server/vbv_lernwelt/course/migrations/0004_import_fields.py
index a9d05b81..15296edb 100644
--- a/server/vbv_lernwelt/course/migrations/0004_import_fields.py
+++ b/server/vbv_lernwelt/course/migrations/0004_import_fields.py
@@ -1,4 +1,4 @@
-# Generated by Django 3.2.13 on 2023-05-31 14:56
+# Generated by Django 3.2.13 on 2023-05-31 15:59
 
 from django.db import migrations, models
 
@@ -23,8 +23,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='coursesession',
             name='import_id',
-            field=models.TextField(default='', unique=True),
-            preserve_default=False,
+            field=models.TextField(blank=True, default=''),
         ),
         migrations.AddField(
             model_name='coursesession',
diff --git a/server/vbv_lernwelt/course/models.py b/server/vbv_lernwelt/course/models.py
index 4942e936..2a49e8d9 100644
--- a/server/vbv_lernwelt/course/models.py
+++ b/server/vbv_lernwelt/course/models.py
@@ -216,7 +216,8 @@ class CourseSession(models.Model):
 
     course = models.ForeignKey("course.Course", on_delete=models.CASCADE)
     title = models.TextField(unique=True)
-    import_id = models.TextField(unique=True)
+
+    import_id = models.TextField(blank=True, default="")
 
     generation = models.TextField(blank=True, default="")
     region = models.TextField(blank=True, default="")
diff --git a/server/vbv_lernwelt/course/tests/test_completion_api.py b/server/vbv_lernwelt/course/tests/test_completion_api.py
index 1860e29a..4c5db0af 100644
--- a/server/vbv_lernwelt/course/tests/test_completion_api.py
+++ b/server/vbv_lernwelt/course/tests/test_completion_api.py
@@ -22,7 +22,6 @@ class CourseCompletionApiTestCase(APITestCase):
         self.cs = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Lehrgang Session",
-            import_id="Test Lehrgang Session",
         )
         csu = CourseSessionUser.objects.create(
             course_session=self.cs,
diff --git a/server/vbv_lernwelt/course/tests/test_course_session_api.py b/server/vbv_lernwelt/course/tests/test_course_session_api.py
index 423b8493..17d3616c 100644
--- a/server/vbv_lernwelt/course/tests/test_course_session_api.py
+++ b/server/vbv_lernwelt/course/tests/test_course_session_api.py
@@ -19,7 +19,6 @@ class CourseCompletionApiTestCase(APITestCase):
         self.course_session = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Lehrgang Session",
-            import_id="Test Lehrgang Session",
         )
 
         self.client.login(username="student", password="test")
diff --git a/server/vbv_lernwelt/course/tests/test_document_uploads.py b/server/vbv_lernwelt/course/tests/test_document_uploads.py
index 2d69adb3..4d08b6cf 100644
--- a/server/vbv_lernwelt/course/tests/test_document_uploads.py
+++ b/server/vbv_lernwelt/course/tests/test_document_uploads.py
@@ -23,7 +23,6 @@ class DocumentUploadApiTestCase(APITestCase):
         self.course_session = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Lehrgang Session",
-            import_id="Test Lehrgang Session",
         )
 
         csu = CourseSessionUser.objects.create(
diff --git a/server/vbv_lernwelt/feedback/tests/test_feedback_api.py b/server/vbv_lernwelt/feedback/tests/test_feedback_api.py
index 22efad7a..6ad2136c 100644
--- a/server/vbv_lernwelt/feedback/tests/test_feedback_api.py
+++ b/server/vbv_lernwelt/feedback/tests/test_feedback_api.py
@@ -23,7 +23,6 @@ class FeedbackApiBaseTestCase(APITestCase):
         self.course_session = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Lehrgang Session",
-            import_id="Test Lehrgang Session",
         )
 
         csu = CourseSessionUser.objects.create(
diff --git a/server/vbv_lernwelt/importer/services.py b/server/vbv_lernwelt/importer/services.py
index d1fa0bab..a7ac207f 100644
--- a/server/vbv_lernwelt/importer/services.py
+++ b/server/vbv_lernwelt/importer/services.py
@@ -1,5 +1,7 @@
 from typing import Dict, Any
 
+from openpyxl.reader.excel import load_workbook
+
 from vbv_lernwelt.core.models import User
 from vbv_lernwelt.course.models import Course, CourseSession
 from vbv_lernwelt.importer.utils import try_parse_datetime
@@ -35,6 +37,19 @@ def create_or_update_user(
     return user
 
 
+def import_course_sessions_from_excel(course: Course, filename: str):
+    workbook = load_workbook(filename=filename)
+    sheet = workbook["Schulungen Durchführung"]
+
+    header = [cell.value for cell in sheet[1]]
+
+    for row in sheet.iter_rows(min_row=2, values_only=True):
+        row_with_header = list(zip(header, row))
+        cs = create_or_update_course_session(
+            course, dict(row_with_header), circles=["Fahrzeug"]
+        )
+
+
 def create_or_update_course_session(course: Course, data: Dict[str, Any], circles=None):
     """
     :param data: the following keys are required to process the data: Generation, Region, Klasse
@@ -45,15 +60,16 @@ def create_or_update_course_session(course: Course, data: Dict[str, Any], circle
         circles = []
 
     # TODO: validation
-    generation = str(data["Generation"]).strip()
-    region = data["Region"].strip()
     group = data["Klasse"].strip()
     import_id = data["ID"].strip()
 
+    generation = str(data["Generation"]).strip()
+    region = data["Region"].strip()
+
     title = f"{region} {generation} {group}"
 
     cs, _created = CourseSession.objects.get_or_create(
-        import_id=import_id, course=course
+        import_id=import_id, group=group, course=course
     )
 
     cs.additional_json_data["import_data"] = data
@@ -67,16 +83,6 @@ def create_or_update_course_session(course: Course, data: Dict[str, Any], circle
 
     cs.save()
 
-    """
-                ("Fahrzeug Start", "06.06.2023, 13:30"),
-            ("Fahrzeug Ende", "06.06.2023, 15:00"),
-            (
-                "Fahrzeug Raum",
-                "https://teams.microsoft.com/l/meetup-join/19%3ameeting_N2I5YzViZTQtYTM2Ny00OTYwLTgzNzAtYWI4OTQzODcxNTlj%40thread.v2/0?context=%7b%22Tid%22%3a%22fedd03c8-a756-4803-8f27-0db8f7c488f2%22%2c%22Oid%22%3a%22f92e6382-3884-4e71-a2fd-b305a75d9812%22%7d",
-            ),
-            ("Fahrzeug Standort", None),
-            ("Fahrzeug Adresse", None),
-    """
     for circle in circles:
         attendance_course_lp_qs = LearningContentAttendanceCourse.objects.filter(
             slug=f"{course.slug}-lp-circle-{circle.lower()}-lc-präsenzkurs-{circle.lower()}"
diff --git a/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py b/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py
index 68a5223b..fb9c6dc2 100644
--- a/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py
+++ b/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py
@@ -4,43 +4,32 @@ from django.test import TestCase
 from openpyxl.reader.excel import load_workbook
 
 from vbv_lernwelt.course.creators.test_course import create_test_course
+from vbv_lernwelt.course.models import CourseSession
 from vbv_lernwelt.importer.services import create_or_update_course_session
 
 test_dir = os.path.dirname(os.path.abspath(__file__))
 
 
 class ImportCourseSessionTestCase(TestCase):
-    def test_open_excel_file(self):
+    def setUp(self):
+        self.course = create_test_course(include_vv=False)
+
+    def test_import_excel_file(self):
         workbook = load_workbook(
             filename=f"{test_dir}/Schulungen_Durchfuehrung_Trainer.xlsx"
         )
         sheet = workbook["Schulungen Durchführung"]
 
-        # Read the header row separately
         header = [cell.value for cell in sheet[1]]
 
-        # Loop through the remaining rows in the sheet
         for row in sheet.iter_rows(min_row=2, values_only=True):
             row_with_header = list(zip(header, row))
-            print(row_with_header)
+            cs = create_or_update_course_session(
+                self.course, dict(row_with_header), circles=["Fahrzeug"]
+            )
+            print(cs.title)
 
-    def test_create_or_update_course_session(self):
-        row = [
-            ("ID", "DE 2023 A"),
-            ("Generation", 2023),
-            ("Region", "Deutschschweiz"),
-            ("Klasse", "A"),
-            ("Fahrzeug Start", "06.06.2023, 13:30"),
-            ("Fahrzeug Ende", "06.06.2023, 15:00"),
-            (
-                "Fahrzeug Raum",
-                "https://teams.microsoft.com/l/meetup-join/19%3ameeting_N2I5YzViZTQtYTM2Ny00OTYwLTgzNzAtYWI4OTQzODcxNTlj%40thread.v2/0?context=%7b%22Tid%22%3a%22fedd03c8-a756-4803-8f27-0db8f7c488f2%22%2c%22Oid%22%3a%22f92e6382-3884-4e71-a2fd-b305a75d9812%22%7d",
-            ),
-            ("Fahrzeug Standort", None),
-            ("Fahrzeug Adresse", None),
-        ]
-
-        print(dict(row))
+        self.assertEqual(CourseSession.objects.count(), 6)
 
 
 class CreateOrUpdateCourseSessionTestCase(TestCase):
@@ -88,3 +77,54 @@ class CreateOrUpdateCourseSessionTestCase(TestCase):
                 "trainer": "",
             },
         )
+
+    def test_update_course_session(self):
+        cs = CourseSession.objects.create(
+            course_id=self.course.id,
+            title="Deutschschweiz 2023 A",
+            import_id="DE 2023",
+            group="A",
+        )
+
+        row = [
+            ("ID", "DE 2023"),
+            ("Generation", 2023),
+            ("Region", "Deutschschweiz"),
+            ("Klasse", "A"),
+            ("Fahrzeug Start", "06.06.2023, 13:30"),
+            ("Fahrzeug Ende", "06.06.2023, 15:00"),
+            (
+                "Fahrzeug Raum",
+                "https://teams.microsoft.com/l/meetup-join/19%3ameeting_N2I5YzViZTQtYTM2Ny00OTYwLTgzNzAtYWI4OTQzODcxNTlj%40thread.v2/0?context=%7b%22Tid%22%3a%22fedd03c8-a756-4803-8f27-0db8f7c488f2%22%2c%22Oid%22%3a%22f92e6382-3884-4e71-a2fd-b305a75d9812%22%7d",
+            ),
+            ("Fahrzeug Standort", None),
+            ("Fahrzeug Adresse", None),
+        ]
+
+        data = dict(row)
+
+        cs = create_or_update_course_session(self.course, data, circles=["Fahrzeug"])
+
+        self.assertEqual(1, CourseSession.objects.count())
+
+        self.assertEqual(cs.import_id, "DE 2023")
+        self.assertEqual(cs.title, "Deutschschweiz 2023 A")
+        self.assertEqual(cs.generation, "2023")
+        self.assertEqual(cs.region, "Deutschschweiz")
+        self.assertEqual(cs.group, "A")
+
+        attendance_course = cs.attendance_courses[0]
+        attendance_course = {
+            k: v
+            for k, v in attendance_course.items()
+            if k not in ["learningContentId", "location"]
+        }
+
+        self.assertDictEqual(
+            attendance_course,
+            {
+                "start": "2023-06-06T13:30:00",
+                "end": "2023-06-06T15:00:00",
+                "trainer": "",
+            },
+        )
diff --git a/server/vbv_lernwelt/learnpath/tests/test_api.py b/server/vbv_lernwelt/learnpath/tests/test_api.py
index 46c45490..da6c8cc3 100644
--- a/server/vbv_lernwelt/learnpath/tests/test_api.py
+++ b/server/vbv_lernwelt/learnpath/tests/test_api.py
@@ -45,7 +45,6 @@ class TestRetrieveLearingPathContents(APITestCase):
         course_session = CourseSession.objects.create(
             course_id=COURSE_TEST_ID,
             title="Test Lehrgang Session",
-            import_id="Test Lehrgang Session",
         )
         CourseSessionUser.objects.create(
             course_session=course_session,