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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sat, Dec-20-2014, 06:26:52 PM   #1
m3dragon
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Default Comprehensive CSL Intake Thread

Types of Airboxes:

OEM
  • Pros: Perfect fitment, likely most durable
  • Cons: Very expensive (~$6000), very difficult to find, hardware (filter, clamps, shutoff valve, etc.) likely sold separately.


Karbonius
  • Pros: Cheapest ($1800-2000), OE replica, uses all OE hardware and ducting
  • Cons: All hardware (filter, clamps, shutoff valve, etc.) has to be sourced separately. Some minor fitment issues.


Evolve
  • Pros: Includes alpha-n tune and all necessary hardware, designed to draw cold air without special ductwork, customer service. Available in both matte and gloss. Never heard of any fitment issues
  • Cons: Must use Evolve tune (unless you want to throw away money), does not use OE filter, cannot use CSL flap or ducting.

Those are the big 3. There are a couple others out there. Geoff Steele is popular in the UK, but I'm not really familiar with the specifics of their airbox. VAC is supposed to be awful



Wiring (for CSL DME Conversion)
You have two options: Either buy an OE CSL harness (pn: 12517833336) or modify the stock harness. You can buy an OE CSL harness for $600 - $1000 depending on the supplier; it requires minor modification to work properly with a manual car

If not using the CSL engine harness, CSL Wiring Harness Conversion:

MAP Sensor
  • Requirements:
    • 12527507526 x 1 (Connector)
    • 12527502932 x 3 (Gold Contacts for MAP connector)
    • 12527510674 x 3 (Contacts for DME Connector)
    • 12527503411 x 3 (Rubber Grommet for contacts)
    • 22-20 AWG Wiring in assorted colors
    • Optional: 12527506431 x 1 (Connector boot – possibly wrong part)
  • Pinout:
    • MAP Pin 1 -> X60003 Pin 7
    • MAP Pin 2 -> X60003 Pin 17
    • MAP Pin 3 -> X60003 Pin 18


Alternator signal (March 2004+ Cars)
Option 1: Software mod
  • Download Modified Program (remove the ".pdf" from the filename to extract the archive)
  • Flash the modified program that's appropriate for your setup
    • If you're using the non-CSL bootloader, the "2113230401" file is the appropriate one
  • Modify your tune by writing "01 05 0A" at 0x5968
    • A parameter section is not included in those binary files. Modify whatever CSL tune you were going to use or already have
  • Using NCS Expert, make sure "GENERATOR_UEBER_CAN" is set to aktiv (should already be aktiv if your car is a March 2004+ car)

Option 2: Wiring mod
  • Requirements:
    • 12527510674 x 2 (Cluster and DME pins)
    • 22 AWG wire
  • Pinout: Black Connector of Instrument Cluster Pin 2 -> X60004 Pin 1
  • Coding: Set “GENERATOR_UEBER_CAN” to nicht_aktiv


IAT Sensor
  • IAT pin 1 to MAF harness pin 1 or DME X60003 pin 22 (Power)
  • IAT pin 2 to MAF harness pin 3 or DME X60003 pin 16 (Ground)

Flap Motor
  • Flap pin 1 to DME X60002 pin 8 (Power)
  • Flap pin 2 to DME X60002 pin 9 (Ground)

Flap position sensor
  • FPS pin 1 to MAF harness pin 3 or DME X60003 pin 20 (Ground)
  • FPS pin 2 to MAF harness pin 5 or DME X60003 pin 1 (Signal)
  • FPS pin 3 to MAF harness pin 4 or DME X60003 pin 14 (Power)


Fuel Pump Relay Conversion - US cars only (Try running the car without touching the fuel pump relay first. It's not required for most cars; it has yet TBD what causes it to be required)
  • Requirement: Green BMW Relay (replaces black relay)
  • Pinout:
  • Relocate X60002 Pin 11 -> X60004 Pin 10
  • Relocate Relay Pin 1 to Pin 4
  • Pin 7 is unused

For reference:


X60001 is the top-right connector in this picture. They increase sequentially until X60005 as you go down and left
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Last edited by terraphantm; Sun, Sep-30-2018 at 02:34:43 PM.
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Old Sat, Dec-20-2014, 09:11:16 PM   #2
Obioban
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Default Re: Comprehensive CSL Intake Thread

Wiring DIY threads:
m3dragon's
0-60Motorsports

MAP sensor options (since new ones have come out and the OE CSL MAP sensor is NLA):
Lang Racing's MAP sensor adaptor
NZ M3's alternative MAP sensor.
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Last edited by Obioban; Thu, May-03-2018 at 06:30:44 PM.
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Old Tue, Dec-23-2014, 06:49:23 PM   #3
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Default Re: Comprehensive CSL Intake Thread

I just got word that the Control Unit (Snorkel) P/N 11617833498 is no longer available.
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Old Thu, May-03-2018, 06:43:03 PM   #4
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Default Re: Comprehensive CSL Intake Thread

Quote:
Originally Posted by casper3t View Post
I just got word that the Control Unit (Snorkel) P/N 11617833498 is no longer available.
I know this post is four years old -- seems like these may have gone back into production? https://www.ecstuning.com/b-genuine-...617833498~oee/

Has anyone ordered one of these and received it? I placed an order so we'll see if it goes through. I'm in the Karbonius airbox group buy and will try to remove their CF snorkel from my order if I can source the legit flap. I read on here that people were paying $900 for the OE flap a few years back so $420 isn't bad ... assuming they send it!
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Old Tue, Oct-02-2018, 06:45:08 PM   #5
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Default Re: Comprehensive CSL Intake Thread

I just ordered Kassel Performance's MAP kit, lets you use the stock fuel rail. Haven't read much about it so I know I'm taking a risk, but hopefully works out OK:

https://www.kasselperformance.com/pr...onversion-kit/

Quote:
Originally Posted by repoman89 View Post
I know this post is four years old -- seems like these may have gone back into production? https://www.ecstuning.com/b-genuine-...617833498~oee/

Has anyone ordered one of these and received it? I placed an order so we'll see if it goes through. I'm in the Karbonius airbox group buy and will try to remove their CF snorkel from my order if I can source the legit flap. I read on here that people were paying $900 for the OE flap a few years back so $420 isn't bad ... assuming they send it!
Yes, I ordered from ECS a few weeks back and have the OEM one sitting in my living room currently.
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Old Tue, Oct-02-2018, 06:52:36 PM   #6
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Default Re: Comprehensive CSL Intake Thread

Quote:
Originally Posted by EYEHAVEYOU View Post
I just ordered Kassel Performance's MAP kit, lets you use the stock fuel rail. Haven't read much about it so I know I'm taking a risk, but hopefully works out OK:

https://www.kasselperformance.com/pr...onversion-kit/
That looks like a pretty clever solution.
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Old Tue, Oct-02-2018, 06:55:32 PM   #7
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Default Re: Comprehensive CSL Intake Thread

Quote:
Originally Posted by EYEHAVEYOU View Post
I just ordered Kassel Performance's MAP kit, lets you use the stock fuel rail. Haven't read much about it so I know I'm taking a risk, but hopefully works out OK:

Looking forward to hear about that kit, I know people were also just using the GM map sensor installed between the vacuum line.

I just finished soldering on the new caps and H bridge on my DME, the H bridge is tricky!

Last edited by scansp7; Tue, Oct-02-2018 at 06:58:58 PM.
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Old Tue, Oct-02-2018, 06:57:33 PM   #8
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Default Re: Comprehensive CSL Intake Thread

Quote:
Originally Posted by scansp7 View Post
Looking forward to hear about that kit, I know people were also just using the GM map sensor installed between the vacuum line.
Where are you guys mounting the MAP sensor? I don't particularly like the current location of mine
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Old Tue, Oct-02-2018, 07:13:21 PM   #9
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Default Re: Comprehensive CSL Intake Thread

Quote:
Originally Posted by scansp7 View Post
Looking forward to hear about that kit, I know people were also just using the GM map sensor installed between the vacuum line.

I just finished soldering on the new caps and H bridge on my DME, the H bridge is tricky!
I ordered Kassel's kit and can report that it works as advertised. It's a very clever solution and quite tidy once you wire everything up. Be advised there are no instructions with the kit so you'll want to make sure you have everything sorted out before you pull the air rail off and run the leads to your DME.

Overall very straightforward though and the quality/price make it great value.
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Old Tue, Dec-23-2014, 07:15:37 PM   #10
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Default Re: Comprehensive CSL Intake Thread

Sometimes I feel bad for csl owners. BMW is screwing them over by trying to limit csl parts. Everything is running out! I have three friends that bought map rails and sensors just in case they do the conversion in the future when they're NLA
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Discussing Comprehensive CSL Intake Thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)