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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 > PWR radiator



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      06-10-2011, 02:19 PM   #1
enrita
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Talking PWR radiator

I finally now ordered the PWR radiator for my car. PWR is a well know company specialised in performance radiators from Australia.
I am getting tired seeing temp up to 111 C in traffic and around 106c at the track . My AT is probably the main cause and i am sure both the engine and AT will be much happier.
I will log pre and after temps trying to simulate the same conditions.
Price is 1100 usd shipped to their distributor in sweden.
Will keep yo guys posted on the results and fitment!
Will also check with them if they have an AT cooler.
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      06-10-2011, 02:37 PM   #2
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Pics when you get it? I'm going more towards the cooling route now since I'm maxed out with performance mods. AT cooler would be kickass!
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      06-10-2011, 02:38 PM   #3
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Heard nothing but good things from PWR rads.
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      06-10-2011, 02:47 PM   #4
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Nice. I would be interested to see your results as well. If the PWR radiator is able to keep the coolant temps down then the rest of us should be good as well. One thing I'd be worried is the LHD vs RHD engine bays.... I hope this won't matter but you never know.
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      06-10-2011, 02:58 PM   #5
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Quote:
Originally Posted by vasillalov View Post
Nice. I would be interested to see your results as well. If the PWR radiator is able to keep the coolant temps down then the rest of us should be good as well. One thing I'd be worried is the LHD vs RHD engine bays.... I hope this won't matter but you never know.
Well the AT radiator has the same code for both lhd and rhd so it should fit nicely... Hopefully.
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      06-10-2011, 03:00 PM   #6
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Nice. What's the difference to the stock unit?
Are MT and AT radiators different?
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      06-10-2011, 03:44 PM   #7
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i think this radiator applies more to AT for MT not necesary
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      06-10-2011, 04:12 PM   #8
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      06-10-2011, 04:18 PM   #9
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Cool
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      06-10-2011, 04:23 PM   #10
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Quote:
Originally Posted by enrita View Post
I finally now ordered the PWR radiator for my car. PWR is a well know company specialised in performance radiators from Australia.
I am getting tired seeing temp up to 111 C in traffic and around 106c at the track . My AT is probably the main cause and i am sure both the engine and AT will be much happier.
I will log pre and after temps trying to simulate the same conditions.
Price is 1100 usd shipped to their distributor in sweden.
Will keep yo guys posted on the results and fitment!
Will also check with them if they have an AT cooler.
Hmmmm.....component protection begins at 117C.

Your water pump must be working overtime!
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      06-10-2011, 11:57 PM   #11
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Nice enrita, keep us updated please.
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      06-11-2011, 12:28 AM   #12
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very nice!

We're collecting water and oil data points over at the track forum, curious to see what improvements you'll see at the track with this radiator. Keep us posted and good luck!!
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      06-11-2011, 07:54 AM   #13
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I also have a pwr radiator I'll be installing next week Hopfuly I'll let you know about figment
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      06-11-2011, 09:32 AM   #14
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Ilma -

Interesting information about the coolant temperature that triggers "component protection" mode (117 C/179 F).

BMW motors in track cars are run at or below this temp for max efficiency, but I mistakenly imagined that the twin turbo N54 (at least with stock downpipes and cats) could be designed to run as efficiently at its higher operating temperatures.

I was a liberal arts major (a long time ago), and my understanding of basic combustion engineering may be a bit underdeveloped...

Neil
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      06-11-2011, 09:38 AM   #15
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Quote:
Originally Posted by BMWeber View Post
I also have a pwr radiator I'll be installing next week Hopfuly I'll let you know about figment
do you have MT or AT?
did you get a drawing to check if it fitted? mine had code 5970
Description:
2005 BMW 335i Twin Turbo 42mm Radiator
Apparently.

I know MT OEM radiator has a different code than the AT probably because the outlet for the gearbox heat exchanger.
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      06-11-2011, 09:38 AM   #16
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Quote:
Originally Posted by MDORPHN View Post
Ilma -

Interesting information about the coolant temperature that triggers "component protection" mode (117 C/179 F).

BMW motors in track cars are run at or below this temp for max efficiency, but I mistakenly imagined that the twin turbo N54 (at least with stock downpipes and cats) could be designed to run as efficiently at its higher operating temperatures.

I was a liberal arts major (a long time ago), and my understanding of basic combustion engineering may be a bit underdeveloped...

Neil
It's from the BMW tech manual for the N54 posted in the sticky section.

BTW.....I think 117C equates to over 200F since 100C = 212F.

I guess art majors aren't so good at math either!

j/k
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      06-11-2011, 09:49 AM   #17
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Sh*t. Make that 242 F. Damn internet...

Neil
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      06-11-2011, 01:40 PM   #18
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Quote:
Originally Posted by enrita View Post
do you have MT or AT?
did you get a drawing to check if it fitted? mine had code 5970
Description:
2005 BMW 335i Twin Turbo 42mm Radiator
Apparently.

I know MT OEM radiator has a different code than the AT probably because the outlet for the gearbox heat exchanger.
I have a MT and no drawing I'm just taking the word of TMS that it will fit. And that sounds like the description I had seen.
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      06-20-2011, 10:07 PM   #19
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You get the radiator yet?

Take pics when it arrives. Very interested.
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      06-20-2011, 10:13 PM   #20
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      06-20-2011, 10:39 PM   #21
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      06-21-2011, 12:37 AM   #22
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i have cancelled my order for the moment since i found out my thermostat is not working correctly. gonna first replace that . I also might need to put money on different parts related to my AT ...
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Last edited by enrita; 06-21-2011 at 08:10 AM.
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