diff --git a/VisualPinball.Unity/VisualPinball.Unity/Sound/CoilSoundComponent.cs b/VisualPinball.Unity/VisualPinball.Unity/Sound/CoilSoundComponent.cs
index c7c66eb06..a1c25c9a5 100644
--- a/VisualPinball.Unity/VisualPinball.Unity/Sound/CoilSoundComponent.cs
+++ b/VisualPinball.Unity/VisualPinball.Unity/Sound/CoilSoundComponent.cs
@@ -29,7 +29,6 @@ namespace VisualPinball.Unity
 	[AddComponentMenu("Pinball/Sound/Coil Sound")]
 	public class CoilSoundComponent : BinaryEventSoundComponent<IApiCoil, NoIdCoilEventArgs>, IPackable
 	{
-		[HideInInspector]
 		public string CoilName;
 
 		public override Type GetRequiredType() => typeof(ICoilDeviceComponent);
diff --git a/VisualPinball.Unity/VisualPinball.Unity/Sound/SwitchSoundComponent.cs b/VisualPinball.Unity/VisualPinball.Unity/Sound/SwitchSoundComponent.cs
index 74242d951..eb28d9c2f 100644
--- a/VisualPinball.Unity/VisualPinball.Unity/Sound/SwitchSoundComponent.cs
+++ b/VisualPinball.Unity/VisualPinball.Unity/Sound/SwitchSoundComponent.cs
@@ -29,7 +29,6 @@ namespace VisualPinball.Unity
 	[AddComponentMenu("Pinball/Sound/Switch Sound")]
 	public class SwitchSoundComponent : BinaryEventSoundComponent<IApiSwitch, SwitchEventArgs>, IPackable
 	{
-		[HideInInspector]
 		public string SwitchName;
 
 		public override Type GetRequiredType() => typeof(ISwitchDeviceComponent);
diff --git a/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperApi.cs b/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperApi.cs
index 78938e03f..cb1e1d749 100644
--- a/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperApi.cs
+++ b/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperApi.cs
@@ -102,6 +102,8 @@ void IApiCoil.OnCoil(bool enabled)
 					BumperCollider.PushBallAway(ref ballState, in bumperState.Static, ref collEvent, in physicsMaterialData, ref state);
 				}
 			}
+			
+			CoilStatusChanged?.Invoke(this, new NoIdCoilEventArgs(enabled));
 		}
 
 		void IApiWireDest.OnChange(bool enabled) => (this as IApiCoil).OnCoil(enabled);
diff --git a/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperComponent.cs b/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperComponent.cs
index 0a98e0072..d7565a0b5 100644
--- a/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperComponent.cs
+++ b/VisualPinball.Unity/VisualPinball.Unity/VPT/Bumper/BumperComponent.cs
@@ -95,6 +95,7 @@ public void UnpackReferences(byte[] data, Transform root, PackagedRefs refs, Pac
 		public const float DataMeshScale = 100f;
 
 		public const string SocketSwitchItem = "socket_switch";
+		public const string RingCoilItem = "ring_coil";
 
 		#endregion
 
@@ -144,7 +145,7 @@ private void Start()
 		public SwitchDefault SwitchDefault => SwitchDefault.Configurable;
 
 		public IEnumerable<GamelogicEngineCoil> AvailableCoils =>  new[] {
-			new GamelogicEngineCoil(name) {
+			new GamelogicEngineCoil(RingCoilItem) {
 				Description = "Ring Coil"
 			}
 		};
diff --git a/VisualPinball.Unity/VisualPinball.Unity/VPT/Surface/SurfaceColliderGenerator.cs b/VisualPinball.Unity/VisualPinball.Unity/VPT/Surface/SurfaceColliderGenerator.cs
index 60046a307..96fc61360 100644
--- a/VisualPinball.Unity/VisualPinball.Unity/VPT/Surface/SurfaceColliderGenerator.cs
+++ b/VisualPinball.Unity/VisualPinball.Unity/VPT/Surface/SurfaceColliderGenerator.cs
@@ -17,6 +17,7 @@
 // ReSharper disable CompareOfFloatsByEqualityOperator
 
 using Unity.Mathematics;
+using VisualPinball.Engine.Math;
 using VisualPinball.Engine.VPT.Surface;
 
 namespace VisualPinball.Unity
@@ -34,7 +35,8 @@ public SurfaceColliderGenerator(SurfaceApi surfaceApi, SurfaceComponent componen
 
 			var data = new SurfaceData();
 			component.CopyDataTo(data, null, null, false);
-			_meshGen = new SurfaceMeshGenerator(data);
+			var pos = new Vertex3D(matrix.c3.x, matrix.c3.y, matrix.c3.z);
+			_meshGen = new SurfaceMeshGenerator(data, pos);
 		}
 
 		internal void GenerateColliders(ref ColliderReference colliders)