Welcome to Bimmerfest -- The #1 Online Community for BMW related information! Please enjoy the discussion forums below and share your experiences with the 200,000 current, new and past BMW owners. The forums are broken out by car model and into other special interest sections such as BMW European Delivery and a special forum to voice your questions to the many BMW dealers on the site to assist our members!

Please follow the links below to help get you started!

Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X3 F25 (2011 - current)

X3 F25 (2011 - current)
The latest X3 brings some added style and some new features to the BMW SUV family. Talk about the new F25 now!

Reply
 
Thread Tools Display Modes
  #1  
Old 11-04-2012, 03:21 PM
zmao zmao is offline
Registered User
Location: Toronto
 
Join Date: Jul 2012
Posts: 8
Mein Auto: BMW X3
2013 X3, Only one exhaust pipe works?

Hi, I have a 2013 X3 28i (2 Litre Turbo). Recently, I've noticed that there is only vapor coming out of one of exhaust pipes (right pipe). Does the exhaust work this way or is something wrong? Thanks a lot!
Reply With Quote
Advertisement
  #2  
Old 11-04-2012, 05:35 PM
Vortec4800 Vortec4800 is offline
Officially Welcomed to the 'Fest
Location: Dallas, TX
 
Join Date: Jun 2006
Posts: 405
Mein Auto: 13 X3 35i MSport, 09 135i
This is the way that it works. When you go above a certain RPM (~4k IIRC) the other pipe opens up as well. There is a way you can make both exhaust tips work all the time (search for golf tee mod) but it gets a little droney for my taste.

Note that if you try the mod, some places tell you to go under the car and unhook a vacuum line and plug it with a golf tee. Better approach for us is to unplug the solenoid in the hatch just behind the access panel on the left side. It's the only plug back there that looks like that.
__________________
Reply With Quote
  #3  
Old 11-04-2012, 05:52 PM
zmao zmao is offline
Registered User
Location: Toronto
 
Join Date: Jul 2012
Posts: 8
Mein Auto: BMW X3
Thanks very much! Really appreciate your explanation!!!
Reply With Quote
  #4  
Old 11-05-2012, 11:06 AM
SpaceManGray SpaceManGray is offline
Registered User
Location: Wisconsin
 
Join Date: Aug 2012
Posts: 88
Mein Auto: 2011 X3 35i
Quote:
Originally Posted by zmao View Post
Thanks very much! Really appreciate your explanation!!!
I want to add that this is done to increase back pressure at low RPMs. I believe this has an important effect on the turbo performance, so I wouldn't modify this behavior unless you really know why you want to make the change.
__________________
2011 X3 (F25) xDrive 35i 3.0L, nav, xm
Reply With Quote
  #5  
Old 11-05-2012, 04:45 PM
zmao zmao is offline
Registered User
Location: Toronto
 
Join Date: Jul 2012
Posts: 8
Mein Auto: BMW X3
Thank you both!
Reply With Quote
Reply

Bookmarks


Forum Navigation
Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X3 F25 (2011 - current)
Today's Posts Search
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On



Forum Jump


All times are GMT -7. The time now is 09:40 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
© 2001-2011 performanceIX, Inc. All Rights Reserved .: guidelines .:. privacy .:. terms