diff --git a/couchpotato/core/media/_base/searcher/main.py b/couchpotato/core/media/_base/searcher/main.py
index 9a01e35..a9a368a 100644
--- a/couchpotato/core/media/_base/searcher/main.py
+++ b/couchpotato/core/media/_base/searcher/main.py
@@ -87,28 +87,17 @@ class Searcher(SearcherBase):
     def containsOtherQuality(self, nzb, movie_year = None, preferred_quality = None):
         if not preferred_quality: preferred_quality = {}
 
-        name = nzb['name']
-        size = nzb.get('size', 0)
-        nzb_words = re.split('\W+', simplifyString(name))
-
-        qualities = fireEvent('quality.all', single = True)
-
-        found = {}
-        for quality in qualities:
-            # Main in words
-            if quality['identifier'] in nzb_words:
-                found[quality['identifier']] = True
-
-            # Alt in words
-            if list(set(nzb_words) & set(quality['alternative'])):
-                found[quality['identifier']] = True
-
         # Try guessing via quality tags
-        guess = fireEvent('quality.guess', [nzb.get('name')], single = True)
+        guess = fireEvent('quality.guess', [nzb.get('name')], nzb.get('size', None), single = True)
         if guess:
-            found[guess['identifier']] = True
+            return not guess['identifier'] == preferred_quality.get('identifier')
+
 
         # Hack for older movies that don't contain quality tag
+        name = nzb['name']
+        size = nzb.get('size', 0)
+
+        found = {}
         year_name = fireEvent('scanner.name_year', name, single = True)
         if len(found) == 0 and movie_year < datetime.datetime.now().year - 3 and not year_name.get('year', None):
             if size > 20000:  # Assume bd50
@@ -121,11 +110,6 @@ class Searcher(SearcherBase):
                 log.info('Quality was missing in name, assuming it\'s a DVD-Rip based on the size: %s', size)
                 found['dvdrip'] = True
 
-        # Allow other qualities
-        for allowed in preferred_quality.get('allow'):
-            if found.get(allowed):
-                del found[allowed]
-
         return not (found.get(preferred_quality['identifier']) and len(found) == 1)
 
     def correct3D(self, nzb, preferred_quality = None):
diff --git a/couchpotato/core/plugins/quality/main.py b/couchpotato/core/plugins/quality/main.py
index 1970aa3..9c56d0c 100644
--- a/couchpotato/core/plugins/quality/main.py
+++ b/couchpotato/core/plugins/quality/main.py
@@ -177,7 +177,7 @@ class QualityPlugin(Plugin):
 
         return False
 
-    def guess(self, files, extra = None):
+    def guess(self, files, extra = None, size = None):
         if not extra: extra = {}
 
         # Create hash for cache
@@ -205,6 +205,11 @@ class QualityPlugin(Plugin):
 
                 self.calcScore(score, quality, contains_score, threedscore)
 
+        # Evaluate score based on size
+        for quality in qualities:
+            size_score = self.guessSizeScore(quality, size = size)
+            self.calcScore(score, quality, size_score)
+
         # Try again with loose testing
         for quality in qualities:
             loose_score = self.guessLooseScore(quality, extra = extra)
@@ -308,6 +313,19 @@ class QualityPlugin(Plugin):
 
         return score
 
+
+    def guessSizeScore(self, quality, size = None):
+
+        score = 0
+
+        if size:
+
+            if tryInt(size) >= tryInt(quality['size_min']) and tryInt(size) < tryInt(quality['size_max']):
+                log.info2('Found %s via release size: %s MB < %s MB < %s MB', (quality['identifier'], quality['size_min'], size, quality['size_max']))
+                score += 5
+
+        return score
+
     def calcScore(self, score, quality, add_score, threedscore = (0, None)):
 
         score[quality['identifier']]['score'] += add_score
diff --git a/couchpotato/core/plugins/scanner.py b/couchpotato/core/plugins/scanner.py
index 64d6107..86ab1b4 100644
--- a/couchpotato/core/plugins/scanner.py
+++ b/couchpotato/core/plugins/scanner.py
@@ -164,7 +164,7 @@ class Scanner(Plugin):
                 identifiers = [identifier]
 
                 # Identifier with quality
-                quality = fireEvent('quality.guess', [file_path], single = True) if not is_dvd_file else {'identifier':'dvdr'}
+                quality = fireEvent('quality.guess', files = [file_path], size = self.getFileSize(file_path), single = True) if not is_dvd_file else {'identifier':'dvdr'}
                 if quality:
                     identifier_with_quality = '%s %s' % (identifier, quality.get('identifier', ''))
                     identifiers = [identifier_with_quality, identifier]
@@ -450,7 +450,7 @@ class Scanner(Plugin):
         data['quality'] = None
         if release_download and release_download.get('quality'):
             data['quality'] = fireEvent('quality.single', release_download.get('quality'), single = True)
-            data['quality']['is_3d'] = release_download.get('is_3d', False)
+            data['quality']['is_3d'] = release_download.get('is_3d', 0)
 
         if not data['quality']:
             data['quality'] = fireEvent('quality.guess', files = files, extra = data, single = True)
@@ -709,12 +709,18 @@ class Scanner(Plugin):
         if not file_size: file_size = []
 
         try:
-            return (file_size.get('min', 0) * 1048576) < os.path.getsize(file) < (file_size.get('max', 100000) * 1048576)
+            return file_size.get('min', 0) < self.getFileSize(file) < file_size.get('max', 100000)
         except:
             log.error('Couldn\'t get filesize of %s.', file)
 
         return False
 
+    def getFileSize(self, file):
+        try:
+            return os.path.getsize(file) / 1024 / 1024
+        except:
+            return None
+
     def createStringIdentifier(self, file_path, folder = '', exclude_filename = False):
 
         year = self.findYear(file_path)