New intake for my M2

Vancity23

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HPS says “dyno proven performance gains +11 Whip horsepower, +12 Ft/lbs. torque” Not sure I believe it...
 

EightyFiveHundred

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HPS says “dyno proven performance gains +11 Whip horsepower, +12 Ft/lbs. torque” Not sure I believe it...
Butt dyno not buying it?

Seriously, congrats on the intake. Modding is such an addiction!!!

Big fan of the ///M2!
 

Got Jeep

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Intake ? I was expecting a manifold. ;)
I've heard nothing but great things about the M2.
Have fun.
 

Bullitt4571

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Looks good man always loved the M cars

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Deacon

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I always find it funny, the power claims from aftermarket tube intake manufacturers. They used to be a lot more ridiculous until they finally figured out to keep it within the margin of error of most dynos, and people will still buy them anyway and swear they’re getting more power out of it. As though BMW’s M division could easily and cheaply up their performance with a simple filter change that would not harm anything and decided, “Nah, why bother?”

PS If you’re going to do it, which you have, and there’s any chance of keeping engine bay heat out of the intake airflow, I would take it. In other words, if I were you I’d make the effort to take the tube back out and wrap in in whatever insulating tape might be appropriate, whatever might keep the heat on the outside instead of being soaked through the tube and transferred into the intake charge.
 
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Vancity23

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Good points for sure. The M2 primarily sucks fresh air very low and direct so I hear ya and hopefully it doesn’t get heat soak.
 

Bocephus

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Yeah I'm torn to do an intake on mine as the gains are marginal. That being said the improvement of sound does have an affect on gas mileage after install.
 

Evil Z06

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To get the most out of this mod would be to get it dyno tuned
 

auskip07

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As long as the sound is what your after.... i hate to say that $$/HP ratio isnt there since it wont produce any extra. Now, adding boost is roughly 15 hp per 1 psi is a cheap way to add power but tuning isnt cheap.
 

Vancity23

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Getting it tuned is tempting....but wont do anything to jeopardize the warranty, hear BMW is a bxxtch to fight on anything...
 
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Evil Z06

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Getting it tuned is tempting....but wont do anything to jeopardize the warranty, hear BMW is a bxxtch to fight is on anything l...
Sounds cool....Even dyno tuning on a completely stock motor you will pick up some HP.....They leave the factory with some HP on the table.....They use a very safe tune(rich) for longevity
 

acrspeed

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I don't know how well the M2 takes to a tune, but the regular N55 is quite potent. Check out Dinan. They match the factory warranty for most of their products, but they do come at a cost.

The insulating tape is a good call by @Deacon. These engines can heat soak very easily.
 

Deacon

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That being said the improvement of sound does have an affect on gas mileage after install.
Yes, while it has no mechanical effect one way or another on mileage, it does has a negative effect because you enjoy romping on it and hearing that sound! :D
 

Bullitt4571

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I don't know how well the M2 takes to a tune, but the regular N55 is quite potent. Check out Dinan. They match the factory warranty for most of their products, but they do come at a cost.

The insulating tape is a good call by @Deacon. These engines can heat soak very easily.
What's the difference between a n54 and a n55?

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13DBPCivicSi

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No check engine lights being thrown because of switching out the intake? Usually you have to tune or flash the care to make sure no lights pop on. Especially in German cars.
 

Vancity23

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Yes, while it has no mechanical effect one way or another on mileage, it does has a negative effect because you enjoy romping on it and hearing that sound! :D
Ha ha I knew that is what you were getting at and it is 100% true...The car was optioned with the MPower exhaust, ($4K not sure I would have ordered it...) so with a double press of the BT device in the cabin, the exhaust flaps open and then the cracks and rumbles can be heard especially when down shifting which is cool. So all good on exhaust, but never heard the turbo spooling and sucking air before, sounds somewhat like a blowoff valve...So ya it is an addicting new experience...gas mileage going down for sure...
-- Double Post Merged: --
No check engine lights being thrown because of switching out the intake? Usually you have to tune or flash the care to make sure no lights pop on. Especially in German cars.
Nope they said it wouldn't and it didn't...maybe because its an 18, newer onboard computers but not sure...
-- Double Post Merged: --
I don't know how well the M2 takes to a tune, but the regular N55 is quite potent. Check out Dinan. They match the factory warranty for most of their products, but they do come at a cost.

The insulating tape is a good call by @Deacon. These engines can heat soak very easily.
The N55 sounds amazing too, the newer M2 Comp has the S55 which produces 415hp, but doesn’t sound nearly as good under acceleration...
 
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acrspeed

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What's the difference between a n54 and a n55?

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The N54 is the 3.0 twin turbo inline 6, made from 2006 to 2012 I believe. It was replaced by the N55, which had a twin scroll single turbo. BMW calls their twin scroll technology Twin Power Turbo, so it's nice and confusing.
 

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