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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > God save me: M2 Club Racer Build-new pics on last page

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      08-12-2018, 08:18 AM   #221
ZM2
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Quote:
Originally Posted by Twt View Post
Great video....noticed water temp at 240....won't this usually cause the ecu to pull back timing and reduce power?
242F. OP, have you found a larger/better cooling setup than the CSF kit that we can all buy?
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      08-12-2018, 01:04 PM   #222
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Great video! Thanks for sharing.
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      08-15-2018, 09:26 AM   #223
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Quote:
Originally Posted by ZM2 View Post
242F. OP, have you found a larger/better cooling setup than the CSF kit that we can all buy?

Right, so let me give you guys some insight on what it has taken to keep this thing "COOL"

Temperature control has been a huge issue for us and M235IR's from the get-go. Mind you the 235iR is 280 whp, we are at 465WHP @ 21 Llbs of Boost. It has not been easy. Thankfully we have been working directly with CSF Cooling all season to continue to develop the cooling system , as well as working in some of our own fixes.

While I cannot currently offer a plug and play solution, I will share with you the modifications we have done so far, which includes many products from CSF, as well as our own tool box ...

-The tune has a provision that keeps the thermostat fully open at all times, this prevents the car from getting up to 220, then working itself back down. It idles around 185 degrees now.
-We removed the factory heat exchanger under the coolant reservoir to help separate the coolant and oil temperatures
-WE removed the factory oil cooler from it's stock location and installed a V-Mounted 200 cubic inch "boss" oil cooler from CSF using a bespoke billet OFH adapter plate from a world challenge car. This allowed us to install a remote style oil filter which has better filtering, and further separates the oil/cooling temperatures from one another as the plate allows each to pass through separately as opposed to "mixing". It also removes the thermostat assembly which was previous by-passed, but still in place.
-There is currently NOT an auxiliary radiator, which CSF has been bugging me to re-install, but we currently have brake ducts routed in the locations of the factory oil cooler and aux cooler vents. We are working on developing a further -enlarged "race spec" radiator for the F22/F87 Cars with CSF which would be installable without a radiator condenser. (because race car)
-The front bumper opening is enlarged to support maximum flow to the now relocated oil cooler. We did this because the coolers are stacked, and in the previous configuration were causing "heat soak". This was because the air was going through 3 coolers before exiting- the oil cooler, the DCT cooler, and then the radiator. You cant cool a radiator with hot air...
-Hood vents (large ones) are installed to evacuate the hot air from under the hood.
-The factory fan is removed, we have tested with it on/off the car , and the flow seems to be better with it removed as the factory fan shroud is large and blocks airflow. WE have also tried running the car with the fan on "FULL duty cycle" at all times while running, without much help (except at low speeds)

When we first tested this car we could go about 10 minutes or 5-6 laps before approaching 250* coolant temps and 280* oil temperatures (this was at 65* ambient testing in the early spring. . From these various continuing developments the car now runs full 30+ minute sprint races at WOT 6-7,000 RPM shifting in 90+ Degree ambient heat. We are close, and hopeful the newer race-spec rad from CSF will get us that 10-15% reduction we are striving for. I am hopeful that after this is all said and done we will get these cars running at 100% for a full tank of gas when making 400+ wheel horsepower, which as the community develops these more and more into track cars will be beneficial. I hope to offer some sort of sell-able solution at some point in the coming year.

Anyways, thanks all for the interest- take a look at some of the pics below, including one with the bumper off as we were cleaning out some debris from an accidental lawn-mowing session at the O'Fest nationals.
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      08-15-2018, 10:17 AM   #224
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Awesome. Thanks for all the detail!
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      08-16-2018, 09:06 AM   #225
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Fantastic info
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      08-19-2018, 09:11 AM   #226
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Quote:
Originally Posted by TYSP33D View Post
WE are also developing F8x Solid aluminum race engine and transmission mounts for the car, hoping to have these within the next 4 weeks.
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Originally Posted by TYSP33D View Post
WE are also developing F8x Solid aluminum race engine and transmission mounts for the car, hoping to have these within the next 4 weeks.
Those are sick! Nothing like designing and manufacturing your own parts.
Were there any rubber/poly mounts you looked into before going with solid?
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      08-29-2018, 05:35 PM   #227
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Just a random though, could that larger CSF oil cooler you retrofitted on the m2 be mounted in such a way underneath the car like an S55 oil cooler? Just asking for m2 owners who still street drive their cars and need the front crash bar to be street legal and get insurance. That'll also open up the spot where the oil cooler used to go on stock m2's and we can put in another AUX water cooler. Just a thought.

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      04-10-2019, 03:21 PM   #228
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Wow what a build !!! Can't wait to see the Pikes Peak setup in action !!
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      04-10-2019, 06:07 PM   #229
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Awesome build, thank you so much for sharing!
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      04-12-2019, 05:12 AM   #230
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Haha so I am the worst forum guy of all time , the car was completely revamped with a slew of new parts over the winter in anticipation of our acceptance and participation in the 2019 Pikes peak international hill climb -[IMG][/IMG]

-complete aero package including front splitter with tunnels , rear diffuser , and dual element swan neck rear wing
-new oil cooler , remote cartridge filter
-new Sparco Containment sear
-different front brake calipers
-custom dash board
-water meth injection
-XDI fuel pump
-Eventuri Carbon intake system
-additional data logging capabilities
-Fuel cell +accompanying safety cage
-relocated electronics and battery out of trunk into cabin .
-295/30 squared setup w/ 18x10.5 et 40 wheels squared .

-more stuff than I can remember .

Eat your heart out to the worlds most highly modified M2 !
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      04-12-2019, 05:14 AM   #231
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2019 spec ... for pikes peak !
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      04-12-2019, 08:31 AM   #232
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Sweet !
You’ve been busy !
Will you be doing any club racing this season ?
Love the way the front bumper cover has been opened up...looks like a factory.
Have you retained / installed an oil cooler and aux radiator in the side openings ?

Last edited by M2C AW; 05-04-2019 at 04:50 AM..
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      04-12-2019, 01:32 PM   #233
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Nice man! That front bumper looks good and probably very functional. Anymore club racing? Looked like the car did quite well last year.
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      04-12-2019, 04:57 PM   #234
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wow just randomly found this thread and congrat on the build, that is a lot of weight saved. Just curious what your 0-60 drag race speed is, probably in low 3s? are the sparco seat lighter?
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      08-14-2019, 04:39 PM   #235
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couple questions if you don't mind; are you able to share part #s for the M235iR CF interior bits?

is that the BMW motorsport wing?
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      02-02-2020, 06:35 PM   #236
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AWESOME build!! Thanks for posting all of this
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      06-26-2020, 02:42 AM   #237
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Quote:
Originally Posted by BeastieBombRacing View Post
couple questions if you don't mind; are you able to share part #s for the M235iR CF interior bits?

is that the BMW motorsport wing?
The M235IR is on Real OEM like the M4 GT4 race car

Door card

https://www.realoem.com/bmw/enUS/sho...diagId=51_9735

Console

https://www.realoem.com/bmw/enUS/sho...diagId=51_9478

Foot plates? mats?

https://www.realoem.com/bmw/enUS/sho...diagId=51_9507
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      01-20-2021, 04:32 AM   #238
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great thread ! TYSP33D
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      01-10-2023, 03:10 PM   #239
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How did you mount the cf roof? Glue or drills?
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