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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 > AT Transmission Cooling for over 450 whp



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      03-04-2010, 05:52 PM   #1
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AT Transmission Cooling for over 450 whp

Lets discuss the future need of inscreased cooling of the AT transmission when we will be starting pushing 450-500 whps.

Do we have in place right now a transmission cooler? If yes where is it located? I tried to look in RealOem with no luck.
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      03-04-2010, 05:58 PM   #2
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i know lil birdie who's working on a high performance radiator with a tranny cooler for the auto guys!!! stay tuned....
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      03-04-2010, 06:02 PM   #3
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sounds very interesting !
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      03-04-2010, 06:30 PM   #4
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vk supposedly would work on high perf. rad. but nothing so far, let alone tranny cooler. i'd love to hear from a guy craig knows...
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      03-04-2010, 07:46 PM   #5
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Quote:
Originally Posted by enrita View Post
Lets discuss the future need of inscreased cooling of the AT transmission when we will be starting pushing 450-500 whps.

Do we have in place right now a transmission cooler? If yes where is it located? I tried to look in RealOem with no luck.
See the extended part at the bottom where the transmission would be sitting on if say it was on the floor, that's the transmission cooler.

I'd definitely love to get a high performance radiator and a better transmission cooler. I've been mentioning to every company here and hoping one of them would do it, especially now I've moved to Kuwait and with the 125F weather in the summer my car is going to HATE me.

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      03-04-2010, 11:15 PM   #6
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I'd be very interested in a transmission cooler upgrade. Are we sure that's all the AT needs? Doesn't our ZF unit also have clutch packs or some sort of mechanism that initiates torque converter lock up?
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      03-04-2010, 11:28 PM   #7
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I found a pic from when I was installing my Intercooler

[IMG]http://i6.photobucket.com/albums/y247/******/turbo%20replacement/DSCN0924.jpg[/IMG]
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      03-05-2010, 12:03 AM   #8
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Hmm... I'm trying to get my bearings on that photo..... front bumper is off which side of the car were you standing on?
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      03-05-2010, 01:06 AM   #9
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Looks like the cold side.
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      03-05-2010, 04:11 AM   #10
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As Craig posted the hint, I say AR has something in the works
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      03-05-2010, 05:29 AM   #11
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Nice, I know HPF is Building my AT so im sure they too are looking into Cooling as well. Hope this is out soon.
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      03-05-2010, 07:16 AM   #12
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picture is driver side. I know because I just installed my IC and scrapped my knuckles on it.
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      03-05-2010, 07:24 AM   #13
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Does anyone have any experiance with the company laminove from Sweden, they have a solution that they claim are 20% more efficient than the competition

http://www.opcon.se/index.asp?sPage=1&langID=2&cID=15
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      03-05-2010, 08:04 AM   #14
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Quote:
Originally Posted by GreenPlease View Post
I'd be very interested in a transmission cooler upgrade. Are we sure that's all the AT needs? Doesn't our ZF unit also have clutch packs or some sort of mechanism that initiates torque converter lock up?
The 335 AT locks up in all gears, once you are moving. Any heat is produced by gear contact friction (drive line friction losses, just like a manual) not by fluid slippage in a torque converter.
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      03-05-2010, 11:45 AM   #15
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Quote:
Originally Posted by Autobahn335i View Post
As Craig posted the hint, I say AR has something in the works
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      03-05-2010, 01:43 PM   #16
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Quote:
Quote:
Originally Posted by Autobahn335i
As Craig posted the hint, I say AR has something in the works
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      03-05-2010, 01:49 PM   #17
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I'm pretty sure that thing pictured is the exchanger? I have the same picture it and it bolts to the radiator shroud and is shaped like a triangle. Very odd shape and it doesn't even seem to 'go there' imo. But that is the drive side, and its realy only visible if you are under the car. It just dangles there.
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      03-05-2010, 10:33 PM   #18
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I'm going to give this a
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      04-13-2011, 09:45 AM   #19
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SUPER BUMP!! anyone know anything about how this is progressing? Craig, which company was working on this? VK motorwerks?
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      04-13-2011, 09:49 AM   #20
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Supposedly AR Design. They do have an aluminium radiator available, but no transmission cooler for AT cars.

I have removed the AR Design aluminum radiator again from my car due to leaks, though.

Alpina_B3_Lux
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      04-13-2011, 09:54 AM   #21
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Quote:
Originally Posted by Alpina_B3_Lux View Post
Supposedly AR Design. They do have an aluminium radiator available, but no transmission cooler for AT cars.

I have removed the AR Design aluminum radiator again from my car due to leaks, though.

Alpina_B3_Lux
Sir, do you think this would fit our 335I AT cars?

http://www.ecstuning.com/BMW-E46-M3-...05/PriceAlert/
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      04-13-2011, 08:01 PM   #22
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Quote:
Originally Posted by HPF 335i #1 View Post
Nice, I know HPF is Building my AT so im sure they too are looking into Cooling as well. Hope this is out soon.
update on them building up your AT?
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