diff --git a/app/customers/backend/bmc_office_router.py b/app/customers/backend/bmc_office_router.py
index 93b9362..c87d9be 100644
--- a/app/customers/backend/bmc_office_router.py
+++ b/app/customers/backend/bmc_office_router.py
@@ -76,9 +76,39 @@ async def upload_bmc_office_subscriptions(file: UploadFile = File(...)):
         
         logger.info(f"✅ Fundet {len(customers)} kunder i databasen")
         
+        # Get current statistics before deletion
+        old_stats = execute_query("""
+            SELECT 
+                COUNT(*) as total_records,
+                ROUND(SUM(CASE WHEN active THEN total_inkl_moms ELSE 0 END)::numeric, 2) as total_value_dkk
+            FROM bmc_office_subscription_totals
+        """)[0]
+        
+        old_total = old_stats['total_records']
+        old_value = float(old_stats['total_value_dkk'] or 0)
+        
+        # Get affected customers before deletion (for activity log)
+        affected_customers = execute_query("""
+            SELECT DISTINCT customer_id, COUNT(*) as count, 
+                   ROUND(SUM(total_inkl_moms)::numeric, 2) as value
+            FROM bmc_office_subscription_totals
+            WHERE active = true
+            GROUP BY customer_id
+        """)
+        
         # Clear existing subscriptions
         execute_update("DELETE FROM bmc_office_subscriptions", ())
-        logger.info("🗑️  Ryddet eksisterende abonnementer")
+        logger.info(f"🗑️  Ryddet {old_total} eksisterende abonnementer (værdi: {old_value:,.2f} DKK)")
+        
+        # Log deletion for each affected customer
+        for customer in affected_customers:
+            execute_update(
+                """INSERT INTO customer_activities (customer_id, activity_type, description, user_id)
+                   VALUES (%s, %s, %s, %s)""",
+                (customer['customer_id'], 'bmc_office_sync', 
+                 f"BMC Office abonnementer fjernet før ny import: {customer['count']} abonnementer (værdi: {float(customer['value']):,.2f} DKK)",
+                 1)  # System user
+            )
         
         # Process rows
         imported = 0
@@ -118,6 +148,26 @@ async def upload_bmc_office_subscriptions(file: UploadFile = File(...)):
                 antal = parse_danish_number(row.get('Antal', 1))
                 pris = parse_danish_number(row.get('Pris', 0))
                 rabat = parse_danish_number(row.get('Rabat', 0))
+        # Get new subscriptions per customer for activity log
+        new_subscriptions = execute_query("""
+            SELECT customer_id, COUNT(*) as count, 
+                   ROUND(SUM(total_inkl_moms)::numeric, 2) as value,
+                   string_agg(text, ', ' ORDER BY text) as products
+            FROM bmc_office_subscription_totals
+            WHERE active = true
+            GROUP BY customer_id
+        """)
+        
+        # Log import for each customer
+        for customer in new_subscriptions:
+            execute_update(
+                """INSERT INTO customer_activities (customer_id, activity_type, description, user_id)
+                   VALUES (%s, %s, %s, %s)""",
+                (customer['customer_id'], 'bmc_office_sync',
+                 f"BMC Office abonnementer importeret: {customer['count']} abonnementer (værdi: {float(customer['value']):,.2f} DKK) - Produkter: {customer['products'][:200]}",
+                 1)  # System user
+            )
+        
                 beskrivelse = str(row.get('Beskrivelse', '')).strip()
                 faktura_firma_id = str(row.get('FakturaFirmaID', '')).strip()
                 faktura_firma_name = str(row.get('FakturaFirma', '')).strip()