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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 > CXRacing Intercooler Installed



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      11-20-2010, 03:19 PM   #1
techlogik
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CX Racing Intercooler Installed. Updated w/Dyno

EDIT: Updated dyno 3rd post. Add Ebay store link (not guarantee the link will be there long..it's Ebay ya' know!)

After being inspired by Big Tom and his KLRacing intercooler DIY, I also decided to try a less expensive alternative to the typical vendor offerings.

Many people by now are familiar with the CX Racing RX7 intercooler you can get from them their website or Ebay store.

The dimensions of the core are 18"x12"x3.5". It has 2.5" inlets.

The IC area of several well known ICs are:

Helix: 11917 cm3
Stett: 11470 cm3
HPF: 13357 cm3
AA: 11085 cm3

The stock IC is: 7620 cm3.

CXRAcing IC is: 12388 cm3

Big Tom : 14217 cm3



The cost of the intercooler from CXRacing is $139 plus $35 shipping = $175 to your door.

Silicon plumbing, connectors and clamps ran about $110.

Parts list:

8 x T-Bolt Clamp for 2.5" Silicone Parts
1 x 2.5" Silicone 45° Elbow, Black
1 x 2.5" Silicone 90° Elbow, Black
2 x Stainless Steel Joiner, 2.5"
1 x 2.5" Silicone 2' Straight Hose, Black

I've been asked several times what exact CXRacing IC I used. This is the Ebay link. Can't guarantee the link will work for very long, Ebay likes to expire these things after awhile.

http://cgi.ebay.com/ebaymotors/ws/eB...m=390097390029

CXRacing Website with more detail specs...don't buy from the regular site, it is much more expensive,.

http://www.cxracing.com/mm5/merchant...ry_Code=IC35CO



I wanted to have the IC attached with welded L brackets and attached to the bumper support so it would look professional and be solid. Since I was having Lutz Performance install my Eibach Pros/Koni Yellow/Exhaust, and they have a good fabricator on site to do the welding, I decided to pay the labor and have them do the install.


So total for this entire setup with install was about $500 total.

Since I had the exhaust and IC installed, I can tell the car is pulling harder now and is a touch quicker. I don't know how much though...I am going to dyno the car again in a few days and will post the results to see what the new numbers are.


Anyway, onto the pics.


Old small IC.




Amazing how much oil was coating the inside of the old IC. Hard to see with the photo, but is has a coating of oil inside.

































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Last edited by techlogik; 01-10-2011 at 07:48 PM.
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      11-20-2010, 03:22 PM   #2
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looks really cool
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      11-20-2010, 03:22 PM   #3
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Dyno. Went back to the same dyno I used about 2 months ago. Temperature was about the same as last time.

Temperature: 74F
Humidity: 80%

Sea Level

Mods:
Drop-in filter
CX Racing FMIC
UR Catback Exhaust with Vibrant Resonators
GIAC Stage 1
93 oct. from Chevron


Overlay shows dyno before exhaust and FMIC.

+18.38 RWHP
+8.85 RWTQ


I did a stock map pull also, I gained like 2whp and no TQ..not worth posting that one.



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Last edited by techlogik; 11-23-2010 at 10:43 AM.
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      11-20-2010, 03:24 PM   #4
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Well I like the fact that you didn't use Zip Ties to hold an intercooler on your BMW. It looks like those L shaped brackets were made to fit on the bumper support! Or did you weld those brackets on yourself?
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      11-20-2010, 03:26 PM   #5
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Wow that looks great. I like the mounting tabs, looks solid!
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      11-20-2010, 03:55 PM   #6
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looks good, lets see what the dyno reveals
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      11-20-2010, 05:23 PM   #7
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Holy talk about trimming!! Looks nice man
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      11-20-2010, 05:47 PM   #8
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Wow, you did a good job with that!
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      11-20-2010, 05:56 PM   #9
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very nice...

I would love to get something state side.. that fits well and can be installed for $500!!!


I will still hold a place in my heart for BIG TOM.. but this might be what I go with....
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      11-20-2010, 06:02 PM   #10
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OHHH tabs added by the fabricator??? or where they there??
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      11-20-2010, 06:04 PM   #11
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Looks awesome! I was looking at the same one from eBay too. I'll be awaiting the dyno results.
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      11-20-2010, 06:12 PM   #12
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Looks nice and great job done on that.

Do you feel any lag? Also, can you give us of what else we need beside CXRacing intercooler? Please...
I'm planning to do the same as you as well. Thanks my man!
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      11-20-2010, 06:25 PM   #13
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Quote:
Originally Posted by M3 Eater View Post
OHHH tabs added by the fabricator??? or where they there??
Tabs added by Shawn Grawunde at Speed Fread Fabrication located with Lutz Performance. He does fab work etc...did the tabs/welding.

I requested the IC be mounted to the bumper support by some type of tabs welded to the IC. They just did what I asked and were creative.

Quality install and work.
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Last edited by techlogik; 11-20-2010 at 06:32 PM.
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      11-20-2010, 06:29 PM   #14
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Quote:
Originally Posted by JsTech View Post
Looks nice and great job done on that.

Do you feel any lag? Also, can you give us of what else we need beside CXRacing intercooler? Please...
I'm planning to do the same as you as well. Thanks my man!

Lag? Just the normal lag of these size turbos....I have a GIAC flash, there is no lag from any of the DME version updates.


They said they had enough parts/connectors for the job I supplied.

8 x T-Bolt Clamp for 2.5" Silicone Parts
1 x 2.5" Silicone 45° Elbow, Black
1 x 2.5" Silicone 90° Elbow, Black
2 x Stainless Steel Joiner, 2.5"
1 x 2.5" Silicone 2' Straight Hose, Black
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      11-20-2010, 06:34 PM   #15
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Quote:
Originally Posted by cn555ic View Post
Holy talk about trimming!! Looks nice man
Yeah...the shroud needed to be cut up pretty good. When I tried the install myself a few weeks ago..I was like, oh man..I don't want to break the dremel out, and I was on short ramps, it was tight...need a lift to really make the install easy. So I said let Lutz Perf handle that stuff...worth the few hundred in labor.

I took the bumper off today because the sensor that was on the shroud needed relocating...I put it in one of the shroud rectangle holes that is left just above the left side of the IC and zip tied it...very secure.

Besides the shroud...no other trimming required. Just the attachment point to the bumper support.

Thanks
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      11-20-2010, 06:36 PM   #16
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awesome. Looks good tucked up in there!
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      11-20-2010, 06:55 PM   #17
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Quote:
Originally Posted by techlogik View Post
Tabs added by Shawn Grawunde at Speed Fread Fabrication located with Lutz Performance. He does fab work etc...did the tabs/welding.

I requested the IC be mounted to the bumper support by some type of tabs welded to the IC. They just did what I asked and were creative.

Quality install and work.
They did a great job with the support brackets! Nice install and clean..
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      11-20-2010, 07:52 PM   #18
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Quote:
Originally Posted by techlogik View Post
Lag? Just the normal lag of these size turbos....I have a GIAC flash, there is no lag from any of the DME version updates.


They said they had enough parts/connectors for the job I supplied.

8 x T-Bolt Clamp for 2.5" Silicone Parts
1 x 2.5" Silicone 45° Elbow, Black
1 x 2.5" Silicone 90° Elbow, Black
2 x Stainless Steel Joiner, 2.5"
1 x 2.5" Silicone 2' Straight Hose, Black
Thanks for that!
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      11-20-2010, 09:44 PM   #19
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      11-20-2010, 09:47 PM   #20
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Quote:
Originally Posted by techlogik View Post
CXRAcing IC is: 13770 cm3

Big Tom : 14217 cm3

Nice install!

But the sizes that you presented is a bit inaccurate.

Here's the correct sizes:

CX Racing IC = 12388 cm3

KL Racing IC = 14158 cm3

Last edited by Big Tom; 11-20-2010 at 10:26 PM.
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      11-20-2010, 10:00 PM   #21
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Quote:
Originally Posted by Big Tom View Post
Nice install!

But the sizes that you presented is a bit inaccurate.

Here's the correct sizes:

CX Racing IC = 12388 cm3

KL Racing IC = 14158 cm3
Corrected...fat fingered the calculator..haha..thanks. I think it's 12405 cm3 the CX.
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      11-20-2010, 10:07 PM   #22
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Quote:
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Corrected...fat fingered the calculator..haha..thanks. I think it's 12405 cm3 the CX.
45.72 x 30.48 x 8.89 = 12388 cm3

45.72 x 30.48 x 10.16 = 14158 cm3
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