question about air filters |
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jimf671
Groupie Joined: 09-December-2008 Location: Inverness Status: Offline Points: 60 |
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Posted: 06-March-2009 at 13:18 |
I remember many many years ago a production saloon racer published an article about prep of a Group 1 car. They tried everything they could think of for the intake and ended up using the standard off-the-shelf filter from a well known maker because it gave 2 bhp more than anything else including an empty airbox.
Just because it looks shiney and costs the earth ... |
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JimF
"Nemo me impune lacessit" |
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craig 3.18i
Groupie Joined: 20-February-2009 Location: wexford Status: Offline Points: 80 |
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i have a e36 3.18i my first bm.
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Peter Fenwick
Bavarian-Board Contributor Joined: 27-August-2003 Location: Lost somewhere in time... Status: Offline Points: 6484 |
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If you want more performance then buy a 318is, 320, 323, 325 or a 328. You could spend loads on your car and it still wouldn't be as fast as a 318is/320. It will work out cheaper to change car. If your stuck with the 318 for a while then just enjoy it as is and save your cash for a faster car in a year or two. The only reason to spend money on modifiying a car engine is if you can't easily and cheaply go out and trade up to one with a bigger engine. Given the 318 is only one up from the baby of the range and that there are loads of bigger engined faster variants availible, I see no point in trying to make more power. Not only will a larger engined variant be more reliable since it is as BMW intended, it will also benefit from uprated brakes/suspenion etc that you will need to go with the extra power. Also you cannot beat the sound of a straight 6.
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Entering an age of Austerity and now driving a Focus Diesel.
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Rossi
Bavarian-Board Contributor Joined: 07-May-2005 Status: Offline Points: 3311 |
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As an alternative, have a look at 'fogging' your air box here
If you don't mind DIY, this is a cheaper way to achieve airflow gains using the OEM air box (second hand one from the scrappy to keep yours in good nick for re-sale ). Mind, you aren't going to get a big improvement and IMO it doesn't warrant spending £150 + on minimal gains. Cheapest option for sure. |
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Webdunk
Moderator Group M3 GT Register Joined: 16-October-2002 Location: Central Scotland Status: Offline Points: 5245 |
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Webdunk
Moderator Group M3 GT Register Joined: 16-October-2002 Location: Central Scotland Status: Offline Points: 5245 |
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Just google "dave.f induction kit" loads of information out there
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craig 3.18i
Groupie Joined: 20-February-2009 Location: wexford Status: Offline Points: 80 |
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i have a e36 3.18i my first bm.
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kbannon
Admin Group E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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W4YNE
Groupie Joined: 21-January-2009 Location: stonehaven Status: Offline Points: 51 |
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well i read it once in perfomance bmw, they tested out a cone air filter,a carbon air box ram type filter and just drillin holes in your standard air box.
the test was for performance, and they rekoned the diffrence was fractional, if i remember i think the drillin holes option was the most performance. drillin holes in your air box aint for me, i have cone filters on all three of mine. a filter on its own will do nothin, weee bit throaty noise, if you get a performance exhaust and good filter you notice a difference then. |
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fecken fox |
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Pete330
Really Senior Member II Joined: 26-November-2003 Location: Aberdeen Status: Offline Points: 8969 |
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Prob won`t see much gain with just the filter,so go for the induction kit Motorsportworld is one of the cheapest place to buy
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craig 3.18i
Groupie Joined: 20-February-2009 Location: wexford Status: Offline Points: 80 |
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u have a link to ur page havin prob searching |
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i have a e36 3.18i my first bm.
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craig 3.18i
Groupie Joined: 20-February-2009 Location: wexford Status: Offline Points: 80 |
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looking for better performance
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i have a e36 3.18i my first bm.
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Webdunk
Moderator Group M3 GT Register Joined: 16-October-2002 Location: Central Scotland Status: Offline Points: 5245 |
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Welcome to the forum
'better' depends what you're looking for. Induction noise or performance gain? Have a wee search on the forum for induction kits and you should find plenty of discussion and views to help you along. I run a Dave.F induction kit on my car (see eBay seller dave131172) |
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craig 3.18i
Groupie Joined: 20-February-2009 Location: wexford Status: Offline Points: 80 |
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im new to this site i must say great site with plenty of information
here pic of my e36 94 1.8l just standard aint done nothing with it yet a lack of a job next on list when get a few bob is air filter kit just wondering which is better the aftermarket kits like this l l v or say if i got a k & n filter like this l l l v for the standard air filter box look forward to ur opinions Edited by craig 3.18i |
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i have a e36 3.18i my first bm.
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