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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 03-11-2005, 05:07 PM   #1 (permalink)
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I recently got a 91 318i.

I've been reading up looking for some decently low-cost preformance upgrades, and it seems like everyone reccomends an intake upgrade. I've been seeing cold air intakes, and everyone raves about them, but do they provide a significant boost over any other intake upgrade on our E30's?

Can anyone reccomend an intake other than K&N? Those are the only ones I've been reccomended so far.

Any info is appreciated.
Thanks.
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Old 03-11-2005, 05:36 PM   #2 (permalink)
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KN is basically the way you should go for reliability and such, you will hear a difference, and feel a little difference, it isnt like 40hp, its more like 5whp gain at most, if you want to feel a good increase, get a TMS Chip, but you will need 91 octance gas to have that.
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Old 03-11-2005, 06:30 PM   #3 (permalink)
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Quote:
Originally posted by spiff325is@Mar 11 2005, 06:36 PM
KN is basically the way you should go for reliability and such, you will hear a difference, and feel a little difference, it isnt like 40hp, its more like 5whp gain at most, if you want to feel a good increase, get a TMS Chip, but you will need 91 octance gas to have that.
[snapback]309088[/snapback]
what kinda gains we looking at? Hell I've been putting premium in my car the last couple fillups, can't hurt any more
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Old 03-11-2005, 06:39 PM   #4 (permalink)
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gains for the KN Filter(im assuming your talking about the cone filter, not drop in), you'd be looking at somewhere between 3-6whp, for a chip, you could be looking at 12-19whp gain(you need 91 for the chip, not the filter)
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Old 03-11-2005, 06:53 PM   #5 (permalink)
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i have a K&N racing filter from bavauto, it significantly changes how the car sounds, especially in the 3,000 rpm + range, i recommend it, mine was $150
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Old 03-11-2005, 09:24 PM   #6 (permalink)
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You paid $150 for a cone filter? Haha. And a cone isn't 3-6HP. It's more like .5-1
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Old 03-11-2005, 09:30 PM   #7 (permalink)
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SynSyx, which filter was that? I'm not seeing it on their site... did you get the full induction kit with the heatshield, and hardware, or just the filter?

I also heard that using a drop-in filter, and cutting out the bottom of the stock airbox will give nearly the same gains, sound good and cost a fraction of the K&N kit.... any thoughts?
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Old 03-12-2005, 09:50 PM   #8 (permalink)
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Quote:
Originally posted by Agent Orange@Mar 11 2005, 08:30 PM
SynSyx, which filter was that? I'm not seeing it on their site... did you get the full induction kit with the heatshield, and hardware, or just the filter?

I also heard that using a drop-in filter, and cutting out the bottom of the stock airbox will give nearly the same gains, sound good and cost a fraction of the K&N kit.... any thoughts?
[snapback]309224[/snapback]
thats what i did, sounds throating i just drilled lots of holes in it, i duno about gains, its hard to notice like 2hp...
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Old 03-12-2005, 11:01 PM   #9 (permalink)
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Originally posted by spiff325is@Mar 11 2005, 07:39 PM
gains for the KN Filter(im assuming your talking about the cone filter, not drop in), you'd be looking at somewhere between 3-6whp, for a chip, you could be looking at 12-19whp gain(you need 91 for the chip, not the filter)
[snapback]309118[/snapback]
yeah I meant the chip, so all it takes is putting 91 in there and 12-19 horsepower just that easy? Where can I get one of these?
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Old 03-13-2005, 06:53 PM   #10 (permalink)
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Quote:
Originally posted by SteveO325is+Mar 12 2005, 10:01 PM--><div class='quotetop'>QUOTE(SteveO325is @ Mar 12 2005, 10:01 PM)</div><div class='quotemain'><!--QuoteBegin-spiff325is@Mar 11 2005, 07:39 PM
gains for the KN Filter(im assuming your talking about the cone filter, not drop in), you'd be looking at somewhere between 3-6whp, for a chip, you could be looking at 12-19whp gain(you need 91 for the chip, not the filter)
[snapback]309118[/snapback]
yeah I meant the chip, so all it takes is putting 91 in there and 12-19 horsepower just that easy? Where can I get one of these?
[snapback]309912[/snapback]
[/b][/quote]

not 12-19 maybe 10 arround there 10-12 with the 94 chip you migth see 12-19
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Old 03-14-2005, 11:23 AM   #11 (permalink)
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Bav auto rips you off on the kone filter deal, only reason id order through them is if i was lazy and didn twant to buy the mounting hardware.

but you can get the cone filter made by KN for like 50$ on ebay.
ive never heard of drilling holes in the bottom of your air box, does that really help?
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Old 03-14-2005, 03:51 PM   #12 (permalink)
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the cone filter only gives you like 3hp so drilling holes will only give you like .5hp. if you are gonna buy a kit then buy one with a heat sheild, thats the only way i would buy a kit, but dont expect to really notice a difference, i cant even hear one unless i have the hood up and i rev it with the throttle body, of course my exhaust is louder
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Old 03-14-2005, 07:28 PM   #13 (permalink)
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Quote:
Originally posted by spiff325is@Mar 14 2005, 10:23 AM
Bav auto rips you off on the kone filter deal, only reason id order through them is if i was lazy and didn twant to buy the mounting hardware.

but you can get the cone filter made by KN for like 50$ on ebay.
ive never heard of drilling holes in the bottom of your air box, does that really help?
[snapback]311115[/snapback]
you can't really notice a diff, sounds throatier, i can hear it with the hood closed and i have flowmaster exhuast. im going to be doing a cold air kit in a week or so but for the mean time you get a little better flow and a nicer intake sound. if you hve the time just make the cold air intake, if not drilling holes is an easy 30 second way to make it sound a little better and get an unoticable better flow:P
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Old 03-14-2005, 08:22 PM   #14 (permalink)
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Originally posted by Kowalski+Mar 14 2005, 08:28 PM--><div class='quotetop'>QUOTE(Kowalski @ Mar 14 2005, 08:28 PM)</div><div class='quotemain'><!--QuoteBegin-spiff325is@Mar 14 2005, 10:23 AM
Bav auto rips you off on the kone filter deal, only reason id order through them is if i was lazy and didn twant to buy the mounting hardware.

but you can get the cone filter made by KN for like 50$ on ebay.
ive never heard of drilling holes in the bottom of your air box, does that really help?
[snapback]311115[/snapback]
you can't really notice a diff, sounds throatier, i can hear it with the hood closed and i have flowmaster exhuast. im going to be doing a cold air kit in a week or so but for the mean time you get a little better flow and a nicer intake sound. if you hve the time just make the cold air intake, if not drilling holes is an easy 30 second way to make it sound a little better and get an unoticable better flow:P
[snapback]311414[/snapback]
[/b][/quote]

hows the flowmasters sound on your car?

no one ever answered my question about where to get one of these chips from!
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Old 03-14-2005, 09:27 PM   #15 (permalink)
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Quote:
Originally posted by SteveO325is+Mar 14 2005, 07:22 PM--><div class='quotetop'>QUOTE(SteveO325is @ Mar 14 2005, 07:22 PM)</div><div class='quotemain'>
Quote:
Originally posted by Kowalski@Mar 14 2005, 08:28 PM
<!--QuoteBegin-spiff325is
Quote:
@Mar 14 2005, 10:23 AM
Bav auto rips you off on the kone filter deal, only reason id order through them is if i was lazy and didn twant to buy the mounting hardware.

but you can get the cone filter made by KN for like 50$ on ebay.
ive never heard of drilling holes in the bottom of your air box, does that really help?
[snapback]311115[/snapback]


you can't really notice a diff, sounds throatier, i can hear it with the hood closed and i have flowmaster exhuast. im going to be doing a cold air kit in a week or so but for the mean time you get a little better flow and a nicer intake sound. if you hve the time just make the cold air intake, if not drilling holes is an easy 30 second way to make it sound a little better and get an unoticable better flow:P
[snapback]311414[/snapback]
hows the flowmasters sound on your car?

no one ever answered my question about where to get one of these chips from!
[snapback]311449[/snapback]
[/b][/quote]

its loud, i have 50 serries its the wrong one i recomend the delta flow 60 serries, or the import muffler they have i forget what its called. but one of those 2 would sound a lot better then what i have. its good idling and low rev's but higher it gets a little tin canish cause the 50 serries is for larger displacment engines.
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