diff --git a/FS25_ADSmartPickup/adCpBridge.lua b/FS25_ADSmartPickup/adCpBridge.lua
index ebeb5a7..6297865 100644
--- a/FS25_ADSmartPickup/adCpBridge.lua
+++ b/FS25_ADSmartPickup/adCpBridge.lua
@@ -32,10 +32,25 @@ function ADCpBridge.getSpecs(vehicle)
     return specs
 end
 
+-- Variabel bredde (Unrealistic Pack m.fl.) først, som Courseplays WorkWidthUtil: AI-markørerne står på
+-- grundbredden (læssevogn 2,4 m selv om den er sat til 40,8 m).
+local function variableWidth(object)
+    if object.getVariableWorkWidth == nil then return nil end
+    local okLeft, left, _, leftValid = pcall(object.getVariableWorkWidth, object, true)
+    local okRight, right, _, rightValid = pcall(object.getVariableWorkWidth, object)
+    if okLeft and okRight and leftValid and rightValid and type(left) == "number" and type(right) == "number" then
+        return math.abs(left) + math.abs(right)
+    end
+    return nil
+end
+
 function ADCpBridge.getWorkWidth(vehicle)
     local best = 0
     for _, object in ipairs(collect(vehicle)) do
-        if object.getAIMarkers ~= nil then
+        local variable = variableWidth(object)
+        if variable ~= nil then
+            best = math.max(best, variable)
+        elseif object.getAIMarkers ~= nil then
             pcall(function() if object.updateAIMarkerWidth ~= nil then object:updateAIMarkerWidth() end end)
             local ok, _, _, _, _, width = pcall(object.getAIMarkers, object)
             if ok and type(width) == "number" and width > best then best = width end
diff --git a/FS25_ADSmartPickup/modDesc.xml b/FS25_ADSmartPickup/modDesc.xml
index 7e92ad7..4e9a5d9 100644
--- a/FS25_ADSmartPickup/modDesc.xml
+++ b/FS25_ADSmartPickup/modDesc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <modDesc descVersion="107">
     <author>masterdraco</author>
-    <version>1.21.0.0</version>
+    <version>1.21.1.0</version>
     <title>
         <en>AD Smart Pickup</en>
     </title>
diff --git a/docs/BRUGERMANUAL.md b/docs/BRUGERMANUAL.md
index 8961369..91b302c 100644
--- a/docs/BRUGERMANUAL.md
+++ b/docs/BRUGERMANUAL.md
@@ -1,6 +1,6 @@
 # AD Smart Pickup — brugermanual
 
-Version 1.21.0 · Farming Simulator 25 · tillæg til AutoDrive
+Version 1.21.1 · Farming Simulator 25 · tillæg til AutoDrive
 
 *English version: [USER_MANUAL.md](USER_MANUAL.md)*
 
diff --git a/docs/USER_MANUAL.md b/docs/USER_MANUAL.md
index 8a1ef87..15f99a8 100644
--- a/docs/USER_MANUAL.md
+++ b/docs/USER_MANUAL.md
@@ -1,6 +1,6 @@
 # AD Smart Pickup — user manual
 
-Version 1.21.0 · Farming Simulator 25 · add-on for AutoDrive
+Version 1.21.1 · Farming Simulator 25 · add-on for AutoDrive
 
 *Dansk version: [BRUGERMANUAL.md](BRUGERMANUAL.md)*
 
diff --git a/tests/test_adCpBridge.lua b/tests/test_adCpBridge.lua
new file mode 100644
index 0000000..002250d
--- /dev/null
+++ b/tests/test_adCpBridge.lua
@@ -0,0 +1,30 @@
+-- Kør: luajit tests/test_adCpBridge.lua   (fra repo-roden)
+-- Kun getWorkWidth: variabel bredde (Unrealistic Pack) vinder over AI-markørernes grundbredde.
+dofile("FS25_ADSmartPickup/adCpBridge.lua")
+local failures = 0
+local function check(name, actual, expected)
+    if actual == expected then print("OK   " .. name) else
+        failures = failures + 1
+        print(string.format("FAIL %s: forventede %s, fik %s", name, tostring(expected), tostring(actual)))
+    end
+end
+
+local function withMarkers(width)
+    return {getAIMarkers = function() return 1, 2, 3, 4, width end}
+end
+
+-- W1: læssevogn med variabel bredde 20,4 + 20,4 = 40,8 m, AI-markører siger 2,4 m
+local wagon = withMarkers(2.4)
+wagon.getVariableWorkWidth = function(_, isLeft) return isLeft and 20.4 or -20.4, nil, true end
+local tractor = {getAttachedImplements = function() return {{object = wagon}} end}
+check("W1 variabel bredde", ADCpBridge.getWorkWidth(tractor), 40.8)
+-- W2: ugyldig variabel bredde -> AI-markører
+local plain = withMarkers(9.5)
+plain.getVariableWorkWidth = function() return 0, nil, false end
+check("W2 AI-markører", ADCpBridge.getWorkWidth(plain), 9.5)
+-- W3: selvkørende slåmaskine uden redskaber, kun variabel bredde
+local mower = {getVariableWorkWidth = function(_, isLeft) return isLeft and 20.4 or -20.4, nil, true end}
+check("W3 selvkørende", ADCpBridge.getWorkWidth(mower), 40.8)
+
+print(failures == 0 and "\nALLE TESTS OK" or ("\n" .. failures .. " FEJL"))
+os.exit(failures == 0 and 0 or 1)