diff --git a/AFNetworking/AFHTTPClient.h b/AFNetworking/AFHTTPClient.h
index 93abec6..6a79ebb 100755
--- a/AFNetworking/AFHTTPClient.h
+++ b/AFNetworking/AFHTTPClient.h
@@ -547,6 +547,15 @@ extern NSUInteger const kAFUploadStream3GSuggestedDelay;
 - (void)appendPartWithFormData:(NSData *)data
                           name:(NSString *)name;
 
+/**
+ Appends HTTP headers, followed by the encoded data and the multipart form boundary.
+ 
+ @param headers The HTTP headers to be appended to the form data.
+ @param body The data to be encoded and appended to the form data.
+ */
+- (void)appendPartWithHeaders:(NSDictionary *)headers
+                         body:(NSData *)body;
+
 /**
  Throttles request bandwidth by limiting the packet size and adding a delay for each chunk read from the upload stream.
  
diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index 56d8485..f8ef067 100755
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -819,13 +819,7 @@ NSUInteger const kAFUploadStream3GSuggestedDelay = 0.2;
     [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, fileName] forKey:@"Content-Disposition"];
     [mutableHeaders setValue:mimeType forKey:@"Content-Type"];
     
-    AFHTTPBodyPart *bodyPart = [[AFHTTPBodyPart alloc] init];
-    bodyPart.stringEncoding = self.stringEncoding;
-    bodyPart.headers = mutableHeaders;
-    bodyPart.bodyContentLength = [data length];
-    bodyPart.inputStream = [NSInputStream inputStreamWithData:data];
-    
-    [self.bodyStream appendHTTPBodyPart:bodyPart];
+    [self appendPartWithHeaders:mutableHeaders body:data];
 }
 
 - (void)appendPartWithFormData:(NSData *)data
@@ -834,11 +828,17 @@ NSUInteger const kAFUploadStream3GSuggestedDelay = 0.2;
     NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
     [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"", name] forKey:@"Content-Disposition"];
     
+    [self appendPartWithHeaders:mutableHeaders body:data];
+}
+
+- (void)appendPartWithHeaders:(NSDictionary *)headers
+                         body:(NSData *)body
+{
     AFHTTPBodyPart *bodyPart = [[AFHTTPBodyPart alloc] init];
     bodyPart.stringEncoding = self.stringEncoding;
-    bodyPart.headers = mutableHeaders;
-    bodyPart.bodyContentLength = [data length];
-    bodyPart.inputStream = [NSInputStream inputStreamWithData:data];
+    bodyPart.headers = headers;
+    bodyPart.bodyContentLength = [body length];
+    bodyPart.inputStream = [NSInputStream inputStreamWithData:body];
     
     [self.bodyStream appendHTTPBodyPart:bodyPart];
 }