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      06-14-2019, 05:35 PM   #1
Aevoh
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Cold air intake?

Hey guys I'm interested in gettin a cold air intake for my 16' 428i Coupé. I want something well made and loud. Any suggestions?
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      06-14-2019, 07:55 PM   #2
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The N20 really does not sound good. You're going to spend hundreds only to make the diesel ticking sound louder and rev like a 95 base honda without vtec. Also zero power gain, stock air box is already maximized for air flow. So I wouldn't recommend a CAI at all. The best and most cost efficient way is to just replace the air filter with a K&N drop in. If you want sound, do exhaust, but most N20 catback I've heard still sounds rice.
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      06-14-2019, 08:01 PM   #3
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Originally Posted by Zanity View Post
The N20 really does not sound good. You're going to spend hundreds only to make the diesel ticking sound louder and rev like a 95 base honda without vtec. Also zero power gain, stock air box is already maximized for air flow. So I wouldn't recommend a CAI at all. The best and most cost efficient way is to just replace the air filter with a K&N drop in.
My car doesn't run a n20, it's running a N26. I just want a louder "swoosh" sound.
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      06-14-2019, 08:03 PM   #4
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From what I read, N26 will sound worse because its sole purpose of existing is for emission, but N20 and N26 sounds not much different, both awful. But it is your car, you can do what you want to it, who knows, maybe you'll like it.
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      06-14-2019, 08:06 PM   #5
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Originally Posted by Zanity View Post
From what I read, N26 will sound worse because its sole purpose of existing is for emission, just FYI.
Not helpful at all. I see a lot of 3/4 series (N20/N26) with intakes and sounds good for me. And I'm not talking about the I6 either.
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      06-14-2019, 08:08 PM   #6
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The I6 is the N55/B58, they sound great. Well, I guess you'll have to wait for other inputs then, this is just my 2 cents.
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      06-14-2019, 08:17 PM   #7
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The I6 is the N55/B58, they sound great. Well, I guess you'll have to wait for other inputs then, this is just my 2 cents.
You're not wrong. That engine the only thing that makes any sense is an upgraded filter. Beyond that throwing money at bullshit for worse performance.
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      06-14-2019, 08:24 PM   #8
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Originally Posted by BEM-S4 View Post
You're not wrong. That engine the only thing that makes any sense is an upgraded filter. Beyond that throwing money at bullshit for worse performance.
Agree,I had an intakr spent more than $250+ and not worth it i ended up selling the swoosh sound was eh ok not the greatest just get a k&n filter and either an MPE exhaust with deleted resonator and 2nd cat and youll be happy with it for sure or get that KV+bits i believe its called somewhat makes the swoosh sound
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      06-14-2019, 08:40 PM   #9
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Quote:
Originally Posted by BEM-S4 View Post
You're not wrong. That engine the only thing that makes any sense is an upgraded filter. Beyond that throwing money at bullshit for worse performance.
Agree,I had an intakr spent more than $250+ and not worth it i ended up selling the swoosh sound was eh ok not the greatest just get a k&n filter and either an MPE exhaust with deleted resonator and 2nd cat and youll be happy with it for sure or get that KV+bits i believe its called somewhat makes the swoosh sound
Yeah my 6 cyl I have a Dinan intake and MPE and I love it. My 4 cyl AWE filter, even ditched the MPE bc wagon it was too much (acoustics are weird).
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      06-14-2019, 09:16 PM   #10
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Quote:
Originally Posted by Aevoh View Post
I want something well made and loud.
You can't have a cold intake that's loud. What makes an intake loud is that it's not a cold intake. The stock intake is a cold intake.
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      06-15-2019, 02:37 PM   #11
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Well maybe now the OP will believe me
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      06-15-2019, 03:18 PM   #12
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Quote:
Originally Posted by Zanity View Post
Well maybe now the OP will believe me
It's just that an intake is not necessary at all you'll spend alot of money just to get that little swoosh satisfaction which I've heard them in real time and doesn't do justice at all.Better off getting an exhaust system mated to a DP to get a good sound.
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      06-15-2019, 05:13 PM   #13
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I recommend this one:

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      06-15-2019, 05:18 PM   #14
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That's going to be hard to install on an N20, lol.
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      06-15-2019, 06:28 PM   #15
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Originally Posted by Enabled View Post
That's going to be hard to install on an N20, lol.
Yes, install a N55 intake on an N26 motor, somebody just threw random shit at the wall and hoped it sticks.

I think the OP has left the building, we disappointed him with the CAI reject advices.
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      06-19-2019, 01:14 AM   #16
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Quote:
Originally Posted by Aevoh View Post
Hey guys I'm interested in gettin a cold air intake for my 16' 428i Coupé. I want something well made and loud. Any suggestions?
Get the Injen intake


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      06-22-2019, 09:58 PM   #17
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Get the Injen intake



Does that intake work for the N26 ? From what I've read the N26 has an extra vacuum nipple as opposed to N20.
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      06-23-2019, 08:56 AM   #18
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It looks like the intake is using air coming through the grille/radiator opening (warm/hot) and metal is a heat sink absorbing heat from engine? Just seeking to understand. The stock intakes take in air ahead of the radiator in the cavity behind the kidney grilles if memory serves?
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      06-23-2019, 09:47 AM   #19
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The whole point of ducting air into an intake is to take advantage of the cooler outside air - how does using air that has passed through the radiator help? That makes no sense, might as well just cut a big 'ol hole in the lid of the stock intake.
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      06-23-2019, 10:19 AM   #20
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Quote:
Originally Posted by jimbobiggens View Post
The whole point of ducting air into an intake is to take advantage of the cooler outside air - how does using air that has passed through the radiator help? That makes no sense, might as well just cut a big 'ol hole in the lid of the stock intake.
or cut a hole in the radiator so the air can pass through, physics!
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      06-23-2019, 11:46 AM   #21
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Quote:
Originally Posted by jimbobiggens View Post
The whole point of ducting air into an intake is to take advantage of the cooler outside air - how does using air that has passed through the radiator help? That makes no sense, might as well just cut a big 'ol hole in the lid of the stock intake.
But but... it's louder!
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      06-23-2019, 11:52 AM   #22
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Quote:
Originally Posted by RGM330i View Post
It looks like the intake is using air coming through the grille/radiator opening (warm/hot) and metal is a heat sink absorbing heat from engine? Just seeking to understand.
Nope, air doesn't go through the radiator to the air box, there's a hole beside the kidney grill, just above where the V brace connects, that's where the air enters the air box.

This diagram is for N55, but the same air entry piece "#14" applies to N20/N26, this is why the stock air box is a cold air intake.:

[IMG]https://www.bmwautodalys.lt/diagrams.../58/288510.png[/IMG]
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