How To Trying to find the best air intake and exhaust system

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Old Mar 12, 2021 | 06:41 PM
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Trying to find the best air intake and exhaust system

Hello, I have an R60 s all4 and I'm wanting to get a new air intake and exhaust system for it. I have been considering the NM engineering intake (part number NM.658858B.1) but I am unsure if this provides any performance at all since NM makes no claims about it. Then for exhaust, the best option so far seems to be the Borla S-type axle back exhaust (part number 11804) but I can't find any proof that it will do anything more than changing the sound. What has been your experience with these or is there something better out there.
 
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Old Mar 24, 2021 | 06:44 PM
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I ordered this one and it'll be here tomorrow. From what I read this is a very good one, and correct all the quirks that other aftermarket cold air intakes have. Check it out:

https://www.vividracing.com/speed-ma...151444424.html
 
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Old Mar 24, 2021 | 09:13 PM
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Honestly you would be much better off going with an intercooler as it cools the air after the turbo. The intakes just end up sucking in hot air from the engine compartment and loose you power.
https://www.waymotorworks.com/wagner...o-r60-r61.html
 
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Old Mar 25, 2021 | 03:35 AM
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Originally Posted by WayMotorWorks
Honestly you would be much better off going with an intercooler as it cools the air after the turbo. The intakes just end up sucking in hot air from the engine compartment and loose you power.
https://www.waymotorworks.com/wagner...o-r60-r61.html
+1

Unless you plan on getting tuned, just get a larger intercooler and muffler. The intercooler will be better for the performance, and the muffler will help it sound better.
 
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Old Mar 25, 2021 | 05:50 AM
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Originally Posted by WayMotorWorks
Honestly you would be much better off going with an intercooler as it cools the air after the turbo. The intakes just end up sucking in hot air from the engine compartment and loose you power.
https://www.waymotorworks.com/wagner...o-r60-r61.html
i have heard that before. Would doing some type of exhaust wrap drop under hood temperatures enough for it to work as designed.
 
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Old Mar 25, 2021 | 06:57 AM
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Originally Posted by Paul Robinson
i have heard that before. Would doing some type of exhaust wrap drop under hood temperatures enough for it to work as designed.
Not effectively. Best piece for cooling the intake would be an intercooler. Even if the turbo sucks in cooler air, the turbo still beats it up and increases the charge air temp. It is then the intercoolers job to cool it back down.
 
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Old Mar 25, 2021 | 02:57 PM
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Originally Posted by Paul Robinson
i have heard that before. Would doing some type of exhaust wrap drop under hood temperatures enough for it to work as designed.
No sort of wrap or shielding will ever lower engine compartment temps enough to ever out perform an intercooler. So just go with the intercooler and ignore the intake. On both my R55 and R56 GP I actually run the old JCW intake as it is a sealed intake and all plastic to avoid the heat.
 
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Old Mar 31, 2021 | 07:24 PM
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I purchased this cold air intake below about a week ago and took it to pep Boys to have it installed. When I showed them the intake they advised that because there's no box housing the intake that all it would do is blow hot air into the engine. Is that true?

https://www.vividracing.com/speed-ma...151444424.html
 
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Old Mar 31, 2021 | 08:03 PM
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Originally Posted by readfya
I purchased this cold air intake below about a week ago and took it to pep Boys to have it installed. When I showed them the intake they advised that because there's no box housing the intake that all it would do is blow hot air into the engine. Is that true?

https://www.vividracing.com/speed-ma...151444424.html
You’ll suck hot air into engine, my intake temps on larger intercooler were 6-8 degrees above ambient, after intake 10-12 degrees, this is when cruising. If you get the AEM that makes the hood scoop functional then you are drawing air in from there. My intake is pretty similar and for me the turbo noises are worth it. Lastly why would you go to PepBoys to have them install it. Takes 15 minutes if that.

 
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Old Mar 31, 2021 | 08:06 PM
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So I'm sorry, I did not follow. Your intake looks like mine. Are you saying that it blows hot air into the engine?
 
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Old Mar 31, 2021 | 08:07 PM
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Should I go do it the AEM intake with the housing around it?
 
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Old Mar 31, 2021 | 08:10 PM
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Originally Posted by readfya
Should I go do it the AEM intake with the housing around it?
if you are that worried about your intake temps then yes get the AEM. My intake temps did go up because of the intake. The 4 degrees it went up is worth the turbo noises.
 
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Old Mar 31, 2021 | 08:24 PM
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I'm kinda worried but I don't know if it's worth paying for shipping back just to order an intake that's $150 more. Is the loss in HP and fuel efficiency that big a difference? Would I go from 25 miles to the gallon to like 19? Sorry for all of the questions. I'm just trying to figure this thing out.

If the difference is small then I'll keep what I have and get it installed.
 
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Old Apr 1, 2021 | 02:49 AM
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Originally Posted by readfya
I'm kinda worried but I don't know if it's worth paying for shipping back just to order an intake that's $150 more. Is the loss in HP and fuel efficiency that big a difference? Would I go from 25 miles to the gallon to like 19? Sorry for all of the questions. I'm just trying to figure this thing out.

If the difference is small then I'll keep what I have and get it installed.
just keep what you have. The key to better gas mileage is keep your foot of the gas, with all the stuff in my signature I still get 30+ miles per gallon on the highway.
 
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Old Apr 1, 2021 | 03:25 AM
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Sounds to me an intake is not for you. They add almost nothing to a stock engine.
 
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Old Apr 1, 2021 | 03:32 AM
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I’m pretty sure it’s 5 screws that need to be removed from the stock box, 3 of them are t20 or 25 and the 2 for the maf are t27. Then you’ll need a flat head for the band clamps. Really simple hands tools and 15 minutes of your time to see you f you like it or not.
 
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Old Feb 18, 2022 | 12:36 PM
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Install help AEM cold air intake system 21-721C

This may be an out of date posting but will give it a shot. I purchased the aEM cold air intake (21-721c) because OutMotoring and other sites listed it as intended for the 2015 JCW Roadster I own. Now I am finding out that the motor in the installment instructions is not the same as what is under my hood. Called AEM and they state it isn't listed as fitting my 1.6L N18 engine. Called a couple local mechanics to see if I could get an assist on the install (would pay of course) and can't find anyone who works with Minis other than typical service calls.
Has anyone with a 2015 Roadster installed this AEM air intake on their car? If so can you answer a few questions on installing? Thanks, K.C
 
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Old Feb 18, 2022 | 12:43 PM
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Originally Posted by KCinLex
This may be an out of date posting but will give it a shot. I purchased the aEM cold air intake (21-721c) because OutMotoring and other sites listed it as intended for the 2015 JCW Roadster I own. Now I am finding out that the motor in the installment instructions is not the same as what is under my hood. Called AEM and they state it isn't listed as fitting my 1.6L N18 engine. Called a couple local mechanics to see if I could get an assist on the install (would pay of course) and can't find anyone who works with Minis other than typical service calls.
Has anyone with a 2015 Roadster installed this AEM air intake on their car? If so can you answer a few questions on installing? Thanks, K.C
I’m might be able to assist with installing it. Want to send me some pics of what you have, let me research a little and get back to you. I have an intake on my clubby, worked on my wife’s best friends R60. It can’t be to different or difficult. I’m in Cincinnati so I’d be willing to help install as well, this is a bad weekend with work, but things aren’t looking to bad the weekend after. Feel free to pm me.
 
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Old Feb 19, 2022 | 05:01 AM
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Originally Posted by KCinLex
This may be an out of date posting but will give it a shot. I purchased the aEM cold air intake (21-721c) because OutMotoring and other sites listed it as intended for the 2015 JCW Roadster I own. Now I am finding out that the motor in the installment instructions is not the same as what is under my hood. Called AEM and they state it isn't listed as fitting my 1.6L N18 engine. Called a couple local mechanics to see if I could get an assist on the install (would pay of course) and can't find anyone who works with Minis other than typical service calls.
Has anyone with a 2015 Roadster installed this AEM air intake on their car? If so can you answer a few questions on installing? Thanks, K.C
Im curious about this…. Can you post pictures of your engine bay? That kit should fit all N18 engines…

(BTW, I have that AEM intake in my car)
 
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Old Feb 19, 2022 | 05:10 AM
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I don’t see how it could be any different at all Nik, and like I said I’m willing to lend a hand and help install, I love turning a wrench. I got tools, a spot to work, and free 😁.
 
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Old Feb 19, 2022 | 06:21 AM
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Originally Posted by Jason Cornelius
I don’t see how it could be any different at all Nik, and like I said I’m willing to lend a hand and help install, I love turning a wrench. I got tools, a spot to work, and free 😁.
It is actually a pretty easy install, even though there are a bunch of components. If you guys go through with it, and have any issues, let me know.
 
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Old Feb 22, 2022 | 06:58 AM
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Thanks!!! I think the issue is partially that the photos on the install instructions don't match what is under my hood. My neighbor who is restoring a Porsche, gave me a can of Blaster, which unlike the WD40, worked to loosen the turbo intake tube. Many of the things that were attached on the old system have not been mentioned in reattaching to the old which makes me nervous. Plowing through it slowly.
Installing another cold air intake on my Clubman was so easy that I didn't anticipate how hardt this AEM would be in comparosion. The seller called also and stated that this system was good for any N18 engine, so pretty sure it is a case of bad install instructions. When I have gotten to the end, if I have things that are not dealt with I would love to send photos for advice in how to deal with.
Again thanks! K. Casey
 
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Old Feb 22, 2022 | 07:50 AM
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Originally Posted by KCinLex
Thanks!!! I think the issue is partially that the photos on the install instructions don't match what is under my hood. My neighbor who is restoring a Porsche, gave me a can of Blaster, which unlike the WD40, worked to loosen the turbo intake tube. Many of the things that were attached on the old system have not been mentioned in reattaching to the old which makes me nervous. Plowing through it slowly.
Installing another cold air intake on my Clubman was so easy that I didn't anticipate how hardt this AEM would be in comparosion. The seller called also and stated that this system was good for any N18 engine, so pretty sure it is a case of bad install instructions. When I have gotten to the end, if I have things that are not dealt with I would love to send photos for advice in how to deal with.
Again thanks! K. Casey
I'm curious what you're dealing with... the N18 AEM intake connects tot he MAF sensor. The N18 intake doesn't replace the turbo inlet tube, but the N14 AEM intake does. The N18 AEM intake is really just an airbox replacement with a duct for the hood scoop.

Here is a picture of my AEM installation:

 
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