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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 12-07-2010, 01:41 PM
gradyj gradyj is offline
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Cold Air Intakes. Suggestions?

Hey so I am looking to get a Cold Air Intake for my 2000 528i 5speed. I am shooting for MPG increase. Anyone have any suggestions on where and what one to get?


I found this one off of Auto Parts Warehouse .com/sku/BMW/528i/K-and-N/Cold_Air_Intake/2000/Base/6_Cyl_2-dot-8L/K33570439.html?tlc=Engine+%26+Drivetrain (just take the spaces out between (auto parts warehouse .com)
Anyone bought from this website/know if this would even work on my car or not? Thanks.

Last edited by gradyj; 12-07-2010 at 02:41 PM.
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  #2  
Old 12-07-2010, 01:46 PM
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You already *have* a good one (it comes from the factory). Any of the aftermarket units are just pissing your money away....none of them offer any noticeable improvement over stock.
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  #3  
Old 12-07-2010, 01:48 PM
dvsgene dvsgene is offline
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Without a software upgrade in conjunction with the CAI, the car will ONLY SOUND faster to you even though your butt dyno will tell otherwise.
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  #4  
Old 12-07-2010, 02:41 PM
gradyj gradyj is offline
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I wasnt going for Hp, i should have made that clear. I need a new airflow and I figured I might as well get a cold air intake for the best flow. More MPG
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  #5  
Old 12-07-2010, 02:44 PM
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DominguesE30 DominguesE30 is offline
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  #6  
Old 12-07-2010, 02:56 PM
dvsgene dvsgene is offline
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Quote:
Originally Posted by gradyj View Post
I wasnt going for Hp, i should have made that clear. I need a new airflow and I figured I might as well get a cold air intake for the best flow. More MPG
If you are not going for HP or sound stick with the stock air intake. If you've ever taken off the bumper to service the Aux fan, you will see the CA tubing. Flow may actually be better than any aftermarket CAI because the aftermarkets sit inside the passenger wheel well while the stock tubing comes directly from the front spoiler. Much more airflow.
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  #7  
Old 12-07-2010, 06:21 PM
gradyj gradyj is offline
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Alright. Learn something everyday. Thanks guys.
Anyone else have an input?
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  #8  
Old 12-07-2010, 06:24 PM
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Yes, if you want to improve your gas mileage and improve your torque, skip the snake oil and replace your Vanos seals. $60 and worth every penny.
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  #9  
Old 12-07-2010, 06:43 PM
dvsgene dvsgene is offline
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Originally Posted by gradyj View Post
Alright. Learn something everyday. Thanks guys.
Anyone else have an input?
Here is your factory CA tubing. Not the bling bling of an aftermarket but fully functional.
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Last edited by dvsgene; 12-07-2010 at 06:44 PM.
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  #10  
Old 12-07-2010, 06:46 PM
gradyj gradyj is offline
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and that flows more air then an aftermarket...?
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  #11  
Old 12-07-2010, 06:48 PM
gradyj gradyj is offline
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Quote:
Originally Posted by Fudman View Post
Yes, if you want to improve your gas mileage and improve your torque, skip the snake oil and replace your Vanos seals. $60 and worth every penny.
How do i go about doing that?
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  #12  
Old 12-07-2010, 07:08 PM
helpmyfive helpmyfive is offline
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http://www.beisansystems.com/


Spend some time there and come back to tell us what you find. It's a GREAT read.
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  #13  
Old 12-08-2010, 02:28 AM
rashid rashid is offline
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Quote:
Originally Posted by dvsgene View Post
Here is your factory CA tubing. Not the bling bling of an aftermarket but fully functional.
New thing to me ...

What is the part number & the price of that part?
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  #14  
Old 12-08-2010, 12:22 PM
gradyj gradyj is offline
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Quote:
Originally Posted by helpmyfive View Post
http://www.beisansystems.com/


Spend some time there and come back to tell us what you find. It's a GREAT read.
That defiantly seems way to involved for me.
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  #15  
Old 12-08-2010, 12:59 PM
Jim Rolando Jim Rolando is offline
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It's a bit involved, but you're going to have to do it sometime and the effort is well worth it as everyone will agree. Mine were completely shot at 96K, yet I had no real symptoms. But, the before/after comparison was significant.
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  #16  
Old 12-08-2010, 02:04 PM
JackNCokeGus JackNCokeGus is offline
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just put a K&N filter in and call it a day.
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  #17  
Old 12-08-2010, 02:32 PM
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BigCo540i BigCo540i is offline
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  #18  
Old 12-08-2010, 02:45 PM
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just put a K&N filter in and call it a day.
Next to completely removing the air filter assembly, and running sans filter, this would be the worst possible choice.

(They don`t call `em "Krap & Nasty" for nothin` :-)
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  #19  
Old 12-09-2010, 12:58 PM
gradyj gradyj is offline
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Quote:
Originally Posted by Jim Rolando View Post
It's a bit involved, but you're going to have to do it sometime and the effort is well worth it as everyone will agree. Mine were completely shot at 96K, yet I had no real symptoms. But, the before/after comparison was significant.
I don't have some of those tools, my buddy is a head mechanic. Maybe he could do this for me if I show him that website.

Quote:
Originally Posted by Fast Bob View Post
Next to completely removing the air filter assembly, and running sans filter, this would be the worst possible choice.

(They don`t call `em "Krap & Nasty" for nothin` :-)
I have never heard a single thing bad about K&N's until now.
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  #20  
Old 12-09-2010, 05:48 PM
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gonzilla gonzilla is offline
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If you really want it, I probably have the K&N air filter my car came with. I don't think they play well with MAF sensors if improperly oiled. IMHO, I'd just keep it stock.
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  #21  
Old 12-09-2010, 07:18 PM
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Quote:
Originally Posted by gradyj View Post
I have never heard a single thing bad about K&N's until now.
You need to get out more often....

K&N + BMW = bad JuJu....
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  #22  
Old 12-09-2010, 08:30 PM
JackNCokeGus JackNCokeGus is offline
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k&n is bad for any MAF if improperly oiled, when used right it will be fine. DONE
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  #23  
Old 12-16-2010, 07:18 PM
gradyj gradyj is offline
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Quote:
Originally Posted by Fast Bob View Post
You need to get out more often....

K&N + BMW = bad JuJu....
Sorry that I didn't know that?

So what filter do you guys recommend? Stock?
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  #24  
Old 12-16-2010, 09:19 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by gradyj View Post
what filter do you guys recommend? Stock?
Look in the bestlinks thread at the top of this forum.

Search for "filter" with the browser 'find' (control f) and use the browser 'next' button (F3) to visit each.

There, you'll find:
Pictorial DIY: BMW E39 Engine Air Filter Remove & Replace

Which will give you a list of all the replacement filters.


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  #25  
Old 12-16-2010, 09:25 PM
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buy a afe panel filter--they are dry not oiled so they wont screw up the maf and they flow more air
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