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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Carbon Fiber Intake Development F10 550i
View Poll Results: Gauging interest at $1500 for a set of intakes
Yes i would purchase provided they make power 28 52.83%
No i would not purchase regardless of power 5 9.43%
I would purchase if they were cheaper (please comment on how much) 21 39.62%
I already have a set of intakes 4 7.55%
Multiple Choice Poll. Voters: 53. You may not vote on this poll

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      09-11-2016, 11:12 AM   #23
MavRick
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back to the original topic...couldnt you fab the connection 'elbow' from the turbo inlet to the piping and use the same system that you have for the M5? to my untrained eye, it seems that the connection is the only thing different...
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      09-11-2016, 02:41 PM   #24
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Quote:
Originally Posted by MavRick View Post
back to the original topic...couldnt you fab the connection 'elbow' from the turbo inlet to the piping and use the same system that you have for the M5? to my untrained eye, it seems that the connection is the only thing different...
That's not a bad idea, i can think of a few complication, such as the MAF difference on the m5 vs the 550i.

If i could get away with an OEM piece for the turbo inlet pipes, lengthen the maf cord, then i could design something of that nature. That's a longshot but might be an option.

-R
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      09-11-2016, 08:58 PM   #25
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Hey guys,

Raza just scanned my car last weekend to work on the 550 intakes. His work is nothing but top-notch from what I've seen and I'm very excited to be testing out the project for you guys.

Stay tuned!
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      09-11-2016, 11:08 PM   #26
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Quote:
Originally Posted by Raza@RKautowerks View Post
That's not a bad idea, i can think of a few complication, such as the MAF difference on the m5 vs the 550i.

If i could get away with an OEM piece for the turbo inlet pipes, lengthen the maf cord, then i could design something of that nature. That's a longshot but might be an option.

-R
im sure its much harder than i made it seem but i just keep thinking it should work. i think there may be some real gains to be had if we could open the narrow bend as the intake comes from the firewall to the front of the turbos. although, i have no idea if the increased airflow/diameter will make the MAF go crazy.

but hey...thats why they pay you the big bucks. hahahaha.
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      09-12-2016, 12:57 AM   #27
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If i can cheat and use the pieces from the M5, we may be able to make something like that happen. That would be the only way i see that rout being an option. Let me order a side and compare it.

TheBlackGT, you might have to come visit one more time haha.

For those interested in what to expect, here is a full write up with the f8x intakes we just finished.
http://f80.bimmerpost.com/forums/sho....php?t=1303768

Thanks
-R
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      09-12-2016, 02:00 AM   #28
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Quote:
Originally Posted by Raza@RKautowerks View Post
If i can cheat and use the pieces from the M5, we may be able to make something like that happen. That would be the only way i see that rout being an option. Let me order a side and compare it.

TheBlackGT, you might have to come visit one more time haha.

For those interested in what to expect, here is a full write up with the f8x intakes we just finished.
http://f80.bimmerpost.com/forums/sho....php?t=1303768

Thanks
-R
You know how to reach me sir

Maybe I can get the tune done as well when I come back again.
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      10-02-2016, 08:30 PM   #29
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Quote:
Originally Posted by Raza@RKautowerks View Post
If i can cheat and use the pieces from the M5, we may be able to make something like that happen. That would be the only way i see that rout being an option. Let me order a side and compare it.

TheBlackGT, you might have to come visit one more time haha.

For those interested in what to expect, here is a full write up with the f8x intakes we just finished.
http://f80.bimmerpost.com/forums/sho....php?t=1303768

Thanks
-R
what did we find out, Raza@RKautowerks ?
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      10-21-2016, 01:49 AM   #30
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What's the status of this intake? And do we have tests? Is this going to be better then the N63 intake?
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      10-22-2016, 03:28 PM   #31
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i sent a potential design to my manufacturer. Establishing whether that will be economically feasible or not.
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      11-05-2016, 08:47 PM   #32
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Any updates?
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      11-13-2016, 09:49 AM   #33
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Updates coming this week, hopefully prototypes by thanksgiving!

-R
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      11-13-2016, 08:11 PM   #34
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Quote:
Originally Posted by Raza@RKautowerks
Updates coming this week, hopefully prototypes by thanksgiving!

-R
Cool, way interested on the difference between your's and n63intake.com. I want to put my Dinan intercoolers in but I have hammer in a part of the intake to make them fit
don't really want to to that.
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      11-16-2016, 01:13 PM   #35
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Here's an update, will have these in a rapid prototype and tested before production.









These will be very similar to the M5 intakes, here are some production pictures of the M5 intakes, which pickup about 25-35whp over stock configuration.




Thanks
-R
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      11-16-2016, 04:33 PM   #36
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that looks a very efficient design. nice and clean. but i gotta believe that it will provide more aural improvement than actual performance. i just dont see any intakes on the n63 adding power when the primary restriction isnt being addressed.

the mouth of a funnel can be as big as you want but the volume that goes thru it will be determined by the small end. and its obviously hard to address the small end of said funnel on the N63...

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      11-16-2016, 08:27 PM   #37
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Quote:
Originally Posted by MavRick View Post
that looks a very efficient design. nice and clean. but i gotta believe that it will provide more aural improvement than actual performance. i just dont see any intakes on the n63 adding power when the primary restriction isnt being addressed.

the mouth of a funnel can be as big as you want but the volume that goes thru it will be determined by the small end. and its obviously hard to address the small end of said funnel on the N63...

+1
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      11-17-2016, 09:23 AM   #38
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Quote:
Originally Posted by MavRick View Post
that looks a very efficient design. nice and clean. but i gotta believe that it will provide more aural improvement than actual performance. i just dont see any intakes on the n63 adding power when the primary restriction isnt being addressed.

the mouth of a funnel can be as big as you want but the volume that goes thru it will be determined by the small end. and its obviously hard to address the small end of said funnel on the N63...

The small end i debated redesigning and creating the intakes to be something like the F10 intakes, elminiating the 180 bend you see now.

The small end does not determine volume because the governing equations for fluids will dictate the amount going through(for a subsonic flow). The selection you have shown will have a very high velocity(not ideal for a turbo setup) but it is not dictating the amount of flow. The flow is not choked so the size doesn't deter the flow. The size decreases the amount of work(power) needed by the engine to get the flow from A to B. In this situation the portion you have outlined is sacrificing pressure to increase velocity. The mass flow is the same at the start and the end because the compressor wheel is doing the work.

Think about it like a straw, i give you a small straw, you can still suck x amount of air. Now i give you a large straw, you don't have to suck as hard to get same x amount of air in. That's the very crude explanation without breaking down the physics of what's going on. But my point is, your concern with the small portion, the volume that can go through the small end is far from supersonic so the flow is not choked, that is the only time the volume of flow would be a concern.

-R
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      11-17-2016, 09:36 AM   #39
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To go further with some quick numbers.

The s63TU running 30PSI consumes 370LPS(one cylinder head) of air at WOT.. A compressor wheel that has a 2 inch inlet, flow goes supersonic at 1129 ft/sec, our engine at 370LPS has the flow velocity at a 2in diameter of 598 ft/sec, almost half of what sonic is. Very clear that volumetric flow is not a concern. The frictional boundary layer associated with getting that flow is where our benefits are, but by introducing the nozzle you are able to optimize the flow as much as possible by the time it hits the compressor wheel. Still far from sonic but the slower the flow the better, but design limitations force you to make things a certain way, as this situation shows.

-R
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      11-17-2016, 09:52 AM   #40
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Quote:
Originally Posted by Raza@RKautowerks View Post
To go further with some quick numbers.

The s63TU running 30PSI consumes 370LPS(one cylinder head) of air at WOT.. A compressor wheel that has a 2 inch inlet, flow goes supersonic at 1129 ft/sec, our engine at 370LPS has the flow velocity at a 2in diameter of 598 ft/sec, almost half of what sonic is. Very clear that volumetric flow is not a concern. The frictional boundary layer associated with getting that flow is where our benefits are, but by introducing the nozzle you are able to optimize the flow as much as possible by the time it hits the compressor wheel. Still far from sonic but the slower the flow the better, but design limitations force you to make things a certain way, as this situation shows.

-R
i knew i should've paid more attention in PHYS 1101/1102. hahahaha. great explanation. will be interested to see the finished product/performance results/pricing. us N63 guys could really use more aftermarket options...
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      11-17-2016, 10:11 AM   #41
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Quote:
Originally Posted by MavRick View Post
i knew i should've paid more attention in PHYS 1101/1102. hahahaha. great explanation. will be interested to see the finished product/performance results/pricing. us N63 guys could really use more aftermarket options...
You wouldn't learn that in physics you need an aerospace degree for that stuff. LOL

I learned all that in compressible flow, turbomachinery, flight dynamics, and propulsion. My BS in aerospace engineering is now helping me make intakes...didn't see that one coming while i was sleeping in class.



-R
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      11-17-2016, 11:59 AM   #42
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Raza, looking forward to seeing this, and i remember when i first 'met' you when we both had our e39's, happy to see you turned your passion into a business!

Looking forward to seeing the finished product!
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      11-17-2016, 05:03 PM   #43
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So, if I read this right, I will be able to install these to replace the factory plastic intakes but still be able to use my Dinan intakes as well? Would be nice to have my Dinan supplementary intakes be made of the same CF and the OEM intakes. Let me know, I am willing to be a BETA tester or one of the first to purchase.

Mike
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      11-17-2016, 05:21 PM   #44
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just interested in seeing the outcome and compared to badblack's intakes which he is looking for ways to improve on his design. are you going to do filters in the grill?
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