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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Helix or Cobb IC



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      12-12-2013, 11:12 AM   #1
Ragi Elias
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Helix or Cobb IC

I'll keep this short and sweet.
Slightly used Helix IC for $600 or brand new Cobb IC for $900?
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      12-12-2013, 11:18 AM   #2
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Helix for $600. Cobb unit looks very nice to me, but I don't see $300 in improvements. The Helix core is great.
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      12-12-2013, 11:22 AM   #3
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Quote:
Originally Posted by 135Pats View Post
Helix for $600. Cobb unit looks very nice to me, but I don't see $300 in improvements. The Helix core is great.
+1.

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      12-12-2013, 11:48 AM   #4
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Buying a used FMIC is risky as there could be stone damage, which can lead to pressure loss. All new units are pressure tested to ensure they are perfect.

Just something to consider.

Usually you can get some good deals on the used market but an FMIC is one thing I would never buy used.

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      12-12-2013, 11:51 AM   #5
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Included hardware, condition and warranty usually come into play when purchasing used items, just something to consider. Most manufacturers don't offer their warranties on used/second hand products which can be an issue on a part that gets a lot of exposure daily.
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      12-12-2013, 11:59 AM   #6
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Interesting! I was under the impression that a FMIC was one of those parts that are great to buy used because nothing pretty much happens to them. Looks like this piece is fairly new (2k miles). It would be a local sale, and therefore I would be able to look at the unit myself. I'm still inquiring about all the parts that come with it.
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      12-12-2013, 12:11 PM   #7
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I wouldn't hesitate to buy a slightly used intercooler!

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      12-12-2013, 12:13 PM   #8
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Quote:
Originally Posted by Ragi Elias View Post
Interesting! I was under the impression that a FMIC was one of those parts that are great to buy used because nothing pretty much happens to them. Looks like this piece is fairly new (2k miles). It would be a local sale, and therefore I would be able to look at the unit myself. I'm still inquiring about all the parts that come with it.
If it's in great shape, I wouldn't hesitate to purchase either but the intercooler sits at the front of the vehicle, it's one of the only purchases on this car you can make that will have to endure a beating from road debris.
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      12-12-2013, 12:19 PM   #9
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I would save even more money and go new VRSF.
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      12-12-2013, 12:35 PM   #10
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I like Tiago. He's a great vendor. However, I would only get the 7" and I don't want to cut. I want a stepped core with no cutting. I know VRSF is coming out with a stepped core soon, but I don't know if I'm willing to wait.
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      01-03-2014, 09:13 AM   #11
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What about new helix v new Cobb? And are these two of the best?
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      01-03-2014, 11:26 AM   #12
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Quote:
Originally Posted by Ragi Elias View Post
What about new helix v new Cobb? And are these two of the best?
I have helix and love it! Performs great!
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      01-03-2014, 11:32 AM   #13
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+1 for Helix. IAT suppression has always been great, never had any problems with timing reductions after repeated/multi-gear pulls
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      01-03-2014, 11:36 AM   #14
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Quote:
Originally Posted by Ragi Elias View Post
I like Tiago. He's a great vendor. However, I would only get the 7" and I don't want to cut. I want a stepped core with no cutting. I know VRSF is coming out with a stepped core soon, but I don't know if I'm willing to wait.
The cutting involved is really not a big deal. You have to remove a bit of plastic shrouding that
A. Serves no real purpose with a larger core
B. Will never been seen by anyone once the bumper is on
Quote:
Originally Posted by Ragi Elias View Post
What about new helix v new Cobb? And are these two of the best?
They’re both very good front mounts.
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      01-03-2014, 03:56 PM   #15
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I have a Cobb IC, and it seems to perform well. I haven't had any problems.
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      01-03-2014, 06:51 PM   #16
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I would go with Helix. I have mine for about a month and its like my car is now alive. I did not expect to notice much with colder temps but even in these temps i notice a drastic difference.
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      01-03-2014, 07:08 PM   #17
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Just go with the vrsf fmic
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      01-03-2014, 09:00 PM   #18
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I've ruled out VRSF. I want a stepped core.
I just wish there was a good comparison test out there to compare some of these names.

I think most people say Helix because it's been around longer han Cobb. I'm sure it's great, but it doesn't seem anyone has tested both.
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      01-03-2014, 09:11 PM   #19
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Quote:
Originally Posted by Ragi Elias View Post
I've ruled out VRSF. I want a stepped core.
I just wish there was a good comparison test out there to compare some of these names.

I think most people say Helix because it's been around longer han Cobb. I'm sure it's great, but it doesn't seem anyone has tested both.
Honestly there isn't much good data on N54 FMICs...most of it is "tested" by the producing company so lol. You have to rely on user reviews and general intuition about what makes for a good heat exchanger.

Helix is proven on some really high whp cars. Cobb products don't suck either. They're both really good options, what else is there to know? Don't overthink it.
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      01-14-2014, 10:59 AM   #20
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Quote:
Originally Posted by 135Pats View Post
Honestly there isn't much good data on N54 FMICs...most of it is "tested" by the producing company so lol.
It's true that you should take test data from manufacturers for what it's worth, however, you should also note when manufacturers don't have test data...
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      01-14-2014, 11:19 AM   #21
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Quote:
Originally Posted by Tiago@VRSF View Post
If it's in great shape, I wouldn't hesitate to purchase either but the intercooler sits at the front of the vehicle, it's one of the only purchases on this car you can make that will have to endure a beating from road debris.
True you guys are working on a stepped IC? Any time frame? may consider waiting if its available sometime during the summer
Sorry for thread jack OP
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      01-14-2014, 11:38 AM   #22
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Quote:
Originally Posted by eric@helix View Post
It's true that you should take test data from manufacturers for what it's worth, however, you should also note when manufacturers don't have test data...
Fair. I supposed potentially biased data is better than zero data at all.

Bottom line is the your core and design is proven.
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