Index: bp-core/bp-core-widgets.php
===================================================================
--- bp-core/bp-core-widgets.php	(revision 6991)
+++ bp-core/bp-core-widgets.php	(working copy)
@@ -34,9 +34,11 @@
 		if ( !$instance['member_default'] )
 			$instance['member_default'] = 'active';
 
+		$title = apply_filters( 'widget_title', $instance['title'] );
+
 		echo $before_widget;
 
-		$title = $instance['link_title'] ? '<a href="' . trailingslashit( bp_get_root_domain() . '/' . bp_get_members_root_slug() ) . '">' . $instance['title'] . '</a>' : $instance['title'];
+		$title = $instance['link_title'] ? '<a href="' . trailingslashit( bp_get_root_domain() . '/' . bp_get_members_root_slug() ) . '">' . $title . '</a>' : $title;
 
 		echo $before_title
 		   . $title
@@ -157,9 +159,11 @@
 
 	    extract( $args );
 
+	    $title = apply_filters( 'widget_title', $instance['title'] );
+
 		echo $before_widget;
 		echo $before_title
-		   . $instance['title']
+		   . $title
 		   . $after_title; ?>
 
 		<?php if ( bp_has_members( 'user_id=0&type=online&per_page=' . $instance['max_members'] . '&max=' . $instance['max_members'] . '&populate_extras=1' ) ) : ?>
@@ -224,9 +228,11 @@
 
 		extract( $args );
 
+		$title = apply_filters( 'widget_title', $instance['title'] );
+
 		echo $before_widget;
 		echo $before_title
-		   . $instance['title']
+		   . $title
 		   . $after_title; ?>
 
 		<?php if ( bp_has_members( 'user_id=0&type=active&per_page=' . $instance['max_members'] . '&max=' . $instance['max_members'] . '&populate_extras=1' ) ) : ?>

Index: bp-blogs/bp-blogs-widgets.php
===================================================================
--- bp-blogs/bp-blogs-widgets.php	(revision 6991)
+++ bp-blogs/bp-blogs-widgets.php	(working copy)
@@ -29,6 +29,8 @@
 
 		extract( $args );
 
+		$widget_name = apply_filters( 'widget_title', $widget_name );
+
 		echo $before_widget;
 		echo $before_title . $widget_name . $after_title;
 

Index: bp-groups/bp-groups-widgets.php
===================================================================
--- bp-groups/bp-groups-widgets.php	(revision 6991)
+++ bp-groups/bp-groups-widgets.php	(working copy)
@@ -47,9 +47,11 @@
 		if ( empty( $instance['title'] ) )
 			$instance['title'] = __( 'Groups', 'buddypress' );
 
+		$title = apply_filters( 'widget_title', $instance['title'] );
+
 		echo $before_widget;
 
-		$title = !empty( $instance['link_title'] ) ? '<a href="' . trailingslashit( bp_get_root_domain() . '/' . bp_get_groups_root_slug() ) . '">' . $instance['title'] . '</a>' : $instance['title'];
+		$title = !empty( $instance['link_title'] ) ? '<a href="' . trailingslashit( bp_get_root_domain() . '/' . bp_get_groups_root_slug() ) . '">' . $title . '</a>' : $title;
 
 		echo $before_title . $title . $after_title; ?>