diff --git a/ba.code-workspace b/ba.code-workspace
deleted file mode 100644
index 54c5b43..0000000
--- a/ba.code-workspace
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-    "folders": [
-        {
-            "path": "."
-        }
-    ],
-    "settings": {
-        "editor.formatOnSave": true,
-        "python.formatting.provider": "black",
-        "editor.defaultFormatter": "ms-python.black-formatter",
-        "python.testing.autoTestDiscoverOnSaveEnabled": false,
-        "python.testing.pytestEnabled": true,
-        "python.linting.mypyEnabled": true,
-        "python.linting.mypyPath": ".venv/bin/dmypy",
-        "python.linting.mypyArgs": ["run", "--"],
-        "python.linting.enabled": true,
-        "python.linting.flake8Enabled": true,
-        "python.linting.pylintEnabled": false,
-        "[python]": {
-            "editor.codeActionsOnSave": {
-                "source.organizeImports": "explicit"
-            }
-        }
-    }
-}
diff --git a/blocket_api/blocket.py b/blocket_api/blocket.py
index 7fcbc31..15ce067 100644
--- a/blocket_api/blocket.py
+++ b/blocket_api/blocket.py
@@ -88,6 +88,8 @@ def search_car(
         milage_to: int | None = None,
         colors: list[CarColor] = [],
         transmissions: list[CarTransmission] = [],
+        horsepower_from: int | None = None,
+        horsepower_to: int | None = None,
         org_id: int | None = None,
     ) -> dict[str, Any]:
         url = f"{SITE_URL}/mobility/search/api/search/SEARCH_ID_CAR_USED"
@@ -102,12 +104,13 @@ def search_car(
             "year_to": year_to,
             "milage_from": milage_from,
             "milage_to": milage_to,
+            "engine_effect_from": horsepower_from,
+            "engine_effect_to": horsepower_to,
             "orgId": org_id,
         }
 
         params = [QueryParam(k, v) for k, v in param_dict.items() if v is not None]
 
-        # Multi-value params
         params.extend(QueryParam("location", loc.value) for loc in locations)
         params.extend(QueryParam("make", model.value) for model in models)
         params.extend(QueryParam("exterior_colour", color.value) for color in colors)
diff --git a/tests/requests.py b/tests/requests.py
index f82865c..c8c2f6a 100644
--- a/tests/requests.py
+++ b/tests/requests.py
@@ -123,6 +123,8 @@ def test_search_car(self) -> None:
             "&price_from=1000"
             "&price_to=50000"
             "&transmission=2"
+            "&engine_effect_from=200"
+            "&engine_effect_to=300"
             "&orgId=1337"
         )
         respx.get(expected_url).mock(
@@ -134,6 +136,8 @@ def test_search_car(self) -> None:
             price_from=1000,
             price_to=50000,
             transmissions=[CarTransmission.AUTOMATIC],
+            horsepower_from=200,
+            horsepower_to=300,
             org_id=1337,
         )
         assert result == {"status": "ok"}
@@ -303,7 +307,7 @@ def test_get_mc_ad(self) -> None:
                     <div class="flex gap-16 hyphens-auto">
                         <span class="s-text-subtle">Motorvolym</span>
                         <p class="m-0 font-bold">150 cc</p>
-                    </div>                    
+                    </div>
                 </div>
 
                 <div class="border-t pt-40 mt-40">