diff --git a/src/wireviz/DataClasses.py b/src/wireviz/DataClasses.py
index 26c68b1..1440437 100644
--- a/src/wireviz/DataClasses.py
+++ b/src/wireviz/DataClasses.py
@@ -14,7 +14,7 @@ from wireviz.wv_colors import (
     SingleColor,
     get_color_by_colorcode_index,
 )
-from wireviz.wv_helper import aspect_ratio, awg_equiv, mm2_equiv
+from wireviz.wv_helper import aspect_ratio, awg_equiv, mm2_equiv, remove_links
 
 # Each type alias have their legal values described in comments
 # - validation might be implemented in the future
@@ -213,9 +213,10 @@ class Component:
     bom_id: Optional[str] = None  # to be filled after harness is built
 
     def fill_partnumbers(self):
-        self.partnumbers = PartNumberInfo(
-            self.pn, self.manufacturer, self.mpn, self.supplier, self.spn
-        )
+        partnos = [self.pn, self.manufacturer, self.mpn, self.supplier, self.spn]
+        partnos = [remove_links(entry) for entry in partnos]
+        partnos = tuple(partnos)
+        self.partnumbers = PartNumberInfo(*partnos)
 
     @property
     def bom_hash(self) -> BomHash:
@@ -263,8 +264,8 @@ class AdditionalComponent(Component):
 
     @property
     def description(self) -> str:
-        s = self.type.rstrip() + f", {self.subtype.rstrip()}" if self.subtype else ""
-        return s
+        substrs = [self.type, self.subtype if self.subtype else ""]
+        return ", ".join(substrs)
 
 
 @dataclass
@@ -313,7 +314,7 @@ class Connector(TopLevelGraphicalComponent):
             "Connector",
             self.type,
             self.subtype,
-            self.pincount if self.show_pincount else None,
+            f"{self.pincount} pins" if self.show_pincount else None,
             str(self.color) if self.color else None,
         ]
         return ", ".join([str(s) for s in substrs if s is not None and s != ""])
diff --git a/src/wireviz/Harness.py b/src/wireviz/Harness.py
index dcb4efd..d619a1c 100644
--- a/src/wireviz/Harness.py
+++ b/src/wireviz/Harness.py
@@ -14,6 +14,7 @@ from wireviz.DataClasses import (
     Arrow,
     ArrowWeight,
     Cable,
+    Component,
     Connector,
     MateComponent,
     MatePin,
@@ -55,15 +56,11 @@ class Harness:
         conn = Connector(designator=designator, *args, **kwargs)
         self.connectors[designator] = conn
         self._add_to_internal_bom(conn)
-        for addcom in conn.additional_components:
-            self._add_to_internal_bom(addcom)
 
     def add_cable(self, designator: str, *args, **kwargs) -> None:
         cbl = Cable(designator=designator, *args, **kwargs)
         self.cables[designator] = cbl
         self._add_to_internal_bom(cbl)
-        for addcom in cbl.additional_components:
-            self._add_to_internal_bom(addcom)
 
     def add_additional_bom_item(self, item: dict) -> None:
         new_item = AdditionalComponent(**item)
@@ -85,7 +82,7 @@ class Harness:
         arrow = Arrow(direction=parse_arrow_str(arrow_str), weight=ArrowWeight.SINGLE)
         self.mates.append(MateComponent(from_name, to_name, arrow))
 
-    def _add_to_internal_bom(self, item):
+    def _add_to_internal_bom(self, item: Component):
         if item.ignore_in_bom:
             return
 
@@ -99,11 +96,15 @@ class Harness:
                 bom_entry["designators"] = set()
             # update fields
             bom_entry["qty"] += qty
-            if designator and not designator.startswith(AUTOGENERATED_PREFIX):
-                if isinstance(designator, str):
-                    bom_entry["designators"].add(designator)
-                else:  # list
-                    bom_entry["designators"].update(designator)
+            if designator is None:
+                designator_list = []
+            elif isinstance(designator, list):
+                designator_list = designator
+            else:
+                designator_list = [designator]
+            for des in designator_list:
+                if des and not des.startswith(AUTOGENERATED_PREFIX):
+                    bom_entry["designators"].add(des)
             bom_entry["category"] = category
 
         if isinstance(item, Connector):
@@ -119,13 +120,13 @@ class Harness:
                 )
         elif isinstance(item, Cable):
             _bom_hash = item.bom_hash
-            if isinstance(_bom_hash, list):
-                _cat = "bundle"
-                for subhash in _bom_hash:
-                    _add(subhash, designator=item.designator, category=_cat)
+            if item.category == "bundle":
+                _cat = "wire"
+                for wire in item.wire_objects:
+                    _add(None, qty=item.length+.001, designator=item.designator, category="wire DUMMY")
             else:
                 _cat = "cable"
-                _add(item.bom_hash, designator=item.designator, category=_cat)
+                _add(item.bom_hash, qty=item.length, designator=item.designator, category="cable")
             for comp in item.additional_components:
                 if comp.ignore_in_bom:
                     continue