diff --git a/Client/Client.cs b/Client/Client.cs
index 26f27ed..e6727d3 100644
--- a/Client/Client.cs
+++ b/Client/Client.cs
@@ -1,6 +1,4 @@
 using System;
-using System.Globalization;
-using System.Linq;
 using System.Net.Sockets;
 using ProftaakRH;
 
@@ -13,6 +11,7 @@ namespace Client
         private byte[] buffer = new byte[1024];
         private int bytesReceived;
         private bool connected;
+        private byte clientId = 0;
 
 
         public Client() : this("localhost", 5555)
@@ -42,12 +41,13 @@ namespace Client
             Console.WriteLine("enter password");
             string password = Console.ReadLine();
 
-            byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(username, password));
+            byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(username, password), this.clientId);
 
             this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
 
             this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
 
+            //TODO lees OK message
             //temp moet eigenlijk een ok bericht ontvangen
             this.connected = true;
         }
@@ -92,12 +92,13 @@ namespace Client
                     throw new NotImplementedException();
                 }
             }
+            this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
+
         }
 
         private void OnWrite(IAsyncResult ar)
         {
             this.stream.EndWrite(ar);
-            Console.WriteLine("wrote some stuff");
         }
 
         #region interface
@@ -108,7 +109,7 @@ namespace Client
             {
                 throw new ArgumentNullException("no bytes");
             }
-            byte[] message = DataParser.GetRawDataMessage(bytes);
+            byte[] message = DataParser.GetRawDataMessage(bytes, clientId);
             this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
         }
 
@@ -118,7 +119,7 @@ namespace Client
             {
                 throw new ArgumentNullException("no bytes");
             }
-            byte[] message = DataParser.GetRawDataMessage(bytes);
+            byte[] message = DataParser.GetRawDataMessage(bytes, clientId);
             this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
         }
 
diff --git a/Client/DataParser.cs b/Client/DataParser.cs
index 3edc4cb..b1b7c32 100644
--- a/Client/DataParser.cs
+++ b/Client/DataParser.cs
@@ -1,10 +1,6 @@
 using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
 using System;
-using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
-using System.Security.Cryptography;
 using System.Text;
 
 namespace Client
@@ -28,7 +24,7 @@ namespace Client
 
         public static bool getJsonIdentifier(byte[] bytes, out string identifier)
         {
-            if (bytes.Length <= 5)
+            if (bytes.Length <= 6)
             {
                 throw new ArgumentException("bytes to short");
             }
@@ -36,7 +32,7 @@ namespace Client
 
             if (messageId == 1)
             {
-                dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(bytes.Skip(5).ToArray()));
+                dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(bytes.Skip(6).ToArray()));
                 identifier = json.identifier;
                 return true;
             }
@@ -49,7 +45,7 @@ namespace Client
 
         public static bool isRawData(byte[] bytes)
         {
-            if (bytes.Length <= 5)
+            if (bytes.Length <= 6)
             {
                 throw new ArgumentException("bytes to short");
             }
@@ -67,19 +63,19 @@ namespace Client
             return res;
         }
 
-        public static byte[] GetRawDataMessage(byte[] payload)
+        public static byte[] GetRawDataMessage(byte[] payload, byte clientId)
         {
-            return getMessage(payload, 0x02);
+            return getMessage(payload, 0x02, clientId);
         }
 
-        public static byte[] getJsonMessage(byte[] payload)
+        public static byte[] getJsonMessage(byte[] payload, byte clientId)
         {
-            return getMessage(payload, 0x01);
+            return getMessage(payload, 0x01, clientId);
         }
 
-        public static byte[] getJsonMessage(string message)
+        public static byte[] getJsonMessage(string message, byte clientId)
         {
-            return getJsonMessage(Encoding.ASCII.GetBytes(message));
+            return getJsonMessage(Encoding.ASCII.GetBytes(message), clientId);
         }
 
 
diff --git a/Client/Program.cs b/Client/Program.cs
index 9598930..e98dfc7 100644
--- a/Client/Program.cs
+++ b/Client/Program.cs
@@ -1,8 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 using Hardware;
-using ProftaakRH;
 
 namespace Client
 {
@@ -24,6 +21,11 @@ namespace Client
             BLEHandler bLEHandler = new BLEHandler(client);
 
             bLEHandler.Connect();
+
+            //BikeSimulator bikeSimulator = new BikeSimulator(client);
+
+            //bikeSimulator.StartSimulation();
+
             while (true)
             {
             }
diff --git a/ProftaakRH/BikeSimulator.cs b/ProftaakRH/BikeSimulator.cs
index 86dddc9..304a00d 100644
--- a/ProftaakRH/BikeSimulator.cs
+++ b/ProftaakRH/BikeSimulator.cs
@@ -10,7 +10,7 @@ using System.Threading;
 
 namespace Hardware.Simulators
 {
-    class BikeSimulator : IHandler
+    public class BikeSimulator : IHandler
     {
         IDataReceiver dataReceiver;
         private int elapsedTime = 0;
@@ -34,6 +34,7 @@ namespace Hardware.Simulators
         {
             this.dataReceiver = dataReceiver;
         }
+
         public void StartSimulation()
         {
             //Example BLE Message
diff --git a/Server/Client.cs b/Server/Client.cs
index a0f2e34..e57b4d7 100644
--- a/Server/Client.cs
+++ b/Server/Client.cs
@@ -1,8 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
-using System.Net;
 using System.Net.Sockets;
 using System.Text;
 using Client;
@@ -94,6 +91,7 @@ namespace Server
             {
                 //message hasn't completely arrived yet
                 this.bytesReceived += receivedBytes;
+                Console.WriteLine("segmented message, {0} arrived", receivedBytes);
                 this.stream.BeginRead(this.buffer, this.bytesReceived, this.buffer.Length - this.bytesReceived, new AsyncCallback(OnRead), null);
 
             }
@@ -104,6 +102,8 @@ namespace Server
                 {
                     Console.WriteLine("something has gone completely wrong");
                     Console.WriteLine($"expected: {expectedMessageLength} bytesReceive: {bytesReceived} receivedBytes: {receivedBytes}");
+                    Console.WriteLine($"received WEIRD data {BitConverter.ToString(buffer.Take(receivedBytes).ToArray())} string {Encoding.ASCII.GetString(buffer.Take(receivedBytes).ToArray())}");
+
                 }
                 else if (buffer[4] == 0x02)
                 {
@@ -117,8 +117,12 @@ namespace Server
                     Console.WriteLine(Encoding.ASCII.GetString(packet));
                     HandleData(Encoding.ASCII.GetString(packet));
                 }
+                this.bytesReceived = 0;
 
             }
+
+            this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
+
         }
 
         private void HandleData(string packet)
diff --git a/Server/Program.cs b/Server/Program.cs
index bf66448..cd980a4 100644
--- a/Server/Program.cs
+++ b/Server/Program.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Net;
+using System.Net;
 using System.Net.Sockets;
 
 namespace Server