DIY: Do It Yourself Share all your DIY experiences here. Ask how-to questions also!

Air Filter Box Mod

Thread Tools
 
Search this Thread
 
Old 08-11-2009, 11:03 PM
  #31  
Contributors
Thread Starter
 
Rizbel's Avatar
 
Join Date: May 2004
Location: SoCal San Diego
Posts: 2,863
Likes: 0
Received 1 Like on 1 Post
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Default









Old 08-11-2009, 11:07 PM
  #32  
Contributors
Thread Starter
 
Rizbel's Avatar
 
Join Date: May 2004
Location: SoCal San Diego
Posts: 2,863
Likes: 0
Received 1 Like on 1 Post
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Default

Old 08-11-2009, 11:15 PM
  #33  
Contributors
Thread Starter
 
Rizbel's Avatar
 
Join Date: May 2004
Location: SoCal San Diego
Posts: 2,863
Likes: 0
Received 1 Like on 1 Post
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Default

Originally Posted by mnmike' post='971140' date='Aug 10 2009, 09:10 AM
Does this make more power? I think it's hard to say.

Clearly BMW put many hours into the design for a reason. Was it strictly to cancel engine noise? Maybe.. Or could it have been something to do with airflow?

You definetely need to dyno your car and see what kind of results you get. And you need someone's stock box for comparison. This would be the only way to really know if there's actually an improvement.
All I can say is it performs a lot better than before this mod. My butt dyno has no printout or any fancy graphs. With or without actual HP, I enjoyed doing this mod and sharing it to the forum.
Old 08-12-2009, 10:59 AM
  #34  
Banned
 
John@Motorcepts's Avatar
 
Join Date: Jun 2008
Location: Queens, NY
Posts: 7,983
Likes: 0
Received 1 Like on 1 Post
My Ride: A Car
Default

wow. that insulation is SICK! I'm too lazy to do it. Mebbe next year. Gotta do my headlighta first
Old 08-12-2009, 11:06 AM
  #35  
Contributors
 
mrfva's Avatar
 
Join Date: Sep 2007
Location: .
Posts: 8,199
Likes: 0
Received 0 Likes on 0 Posts
My Ride: .
Model Year: .
Default

Originally Posted by Rizbel' post='973335' date='Aug 12 2009, 02:07 AM
Now I see where Rizbel's been hiding all his CHROME
Old 08-12-2009, 12:06 PM
  #36  
Contributors
Thread Starter
 
Rizbel's Avatar
 
Join Date: May 2004
Location: SoCal San Diego
Posts: 2,863
Likes: 0
Received 1 Like on 1 Post
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Default

Originally Posted by mrfva' post='974000' date='Aug 12 2009, 12:06 PM
Now I see where Rizbel's been hiding all his CHROME
You outed me Frank! I'm a closeted chromosexual All you chromophobics Can't a guy have his chrome?
Old 08-12-2009, 12:20 PM
  #37  
Contributors
 
theXman's Avatar
 
Join Date: Sep 2007
Location: Jersey
Posts: 7,053
Likes: 0
Received 0 Likes on 0 Posts
My Ride: 2004 530i
Model Year: 2004
Default

Originally Posted by brabusw209amg' post='968291' date='Aug 7 2009, 02:34 AM
Not really. Turbulent flow is sometimes better. Turbulent flow is good for heat exchangers. When it's for heat transfer and mixing purposes, turbulent flow creates more surface area. So air flowing through an intercooler when turbulent is better but laminar flow in the engine is the best. This is what I deduced.

I only studied fluid dynamics back in college so not too sure about aerodynamics. Did I tell you guys I have a Chemical Engineering degree?

Its a good thing that you are not terrorist.
Old 08-12-2009, 12:23 PM
  #38  
Contributors
 
theXman's Avatar
 
Join Date: Sep 2007
Location: Jersey
Posts: 7,053
Likes: 0
Received 0 Likes on 0 Posts
My Ride: 2004 530i
Model Year: 2004
Default

Originally Posted by Rizbel' post='974113' date='Aug 12 2009, 04:06 PM
You outed me Frank! I'm a closeted chromosexual All you chromophobics Can't a guy have his chrome?

What you do under hood is no one's business.
Old 08-12-2009, 12:32 PM
  #39  
Contributors
Thread Starter
 
Rizbel's Avatar
 
Join Date: May 2004
Location: SoCal San Diego
Posts: 2,863
Likes: 0
Received 1 Like on 1 Post
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Default

Originally Posted by theXman' post='974145' date='Aug 12 2009, 01:23 PM
What you do under hood is no one's business.
Don't ask... don't tell
Old 08-12-2009, 12:35 PM
  #40  
Contributors
 
pjinca's Avatar
 
Join Date: May 2009
Location: SoCal
Posts: 10,496
Likes: 0
Received 2 Likes on 2 Posts
My Ride: 2008 550I LOADED, all options except HUD and NV
Default

Originally Posted by Rizbel' post='974160' date='Aug 12 2009, 01:32 PM
Don't ask... don't tell

I take it we have another ENVY under wraps?


Quick Reply: Air Filter Box Mod



All times are GMT -8. The time now is 03:19 PM.