diff --git a/resources/variants/ultimaker3_bb04.inst.cfg b/resources/variants/ultimaker3_bb04.inst.cfg
index a5aa03f1fa..6b189bc6c3 100644
--- a/resources/variants/ultimaker3_bb04.inst.cfg
+++ b/resources/variants/ultimaker3_bb04.inst.cfg
@@ -24,7 +24,10 @@ prime_tower_purge_volume = 1
 raft_base_speed = 20
 raft_interface_speed = 20
 raft_speed = 25
+retraction_amount = 4.5
+retraction_count_max = 20
 retraction_extrusion_window = =retraction_amount
+retraction_min_travel = =3 * line_width
 speed_layer_0 = 20
 speed_support = =math.ceil(speed_print * 25 / 35)
 speed_support_interface = =math.ceil(speed_support * 20 / 25)
@@ -40,6 +43,7 @@ support_interface_height = 0.6
 support_interface_skip_height = =layer_height
 support_join_distance = 3
 support_line_width = =round(line_width * 0.4 / 0.35, 2)
-support_offset = 3
+support_offset = 2
 support_xy_distance = =round(wall_line_width_0 * 0.75, 2)
 support_xy_distance_overhang = =wall_line_width_0 / 2
+switch_extruder_retraction_amount = 12
\ No newline at end of file
diff --git a/resources/variants/ultimaker3_extended_bb04.inst.cfg b/resources/variants/ultimaker3_extended_bb04.inst.cfg
index eb9eefed0c..769044db0b 100644
--- a/resources/variants/ultimaker3_extended_bb04.inst.cfg
+++ b/resources/variants/ultimaker3_extended_bb04.inst.cfg
@@ -24,7 +24,10 @@ prime_tower_purge_volume = 1
 raft_base_speed = 20
 raft_interface_speed = 20
 raft_speed = 25
+retraction_amount = 4.5
+retraction_count_max = 20
 retraction_extrusion_window = =retraction_amount
+retraction_min_travel = =3 * line_width
 speed_layer_0 = 20
 speed_support = =math.ceil(speed_print * 25 / 35)
 speed_support_interface = =math.ceil(speed_support * 20 / 25)
@@ -40,6 +43,7 @@ support_interface_height = 0.6
 support_interface_skip_height = =layer_height
 support_join_distance = 3
 support_line_width = =round(line_width * 0.4 / 0.35, 2)
-support_offset = 3
+support_offset = 2
 support_xy_distance = =round(wall_line_width_0 * 0.75, 2)
 support_xy_distance_overhang = =wall_line_width_0 / 2
+switch_extruder_retraction_amount = 12
\ No newline at end of file