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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning M235i Upgraded Cooling?

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      05-14-2014, 10:48 AM   #1
M3 Esq
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M235i Upgraded Cooling?

I looked around but can't find anything on whether the cooling system on the M235i has been upgraded like on the 335is. Does anyone know?
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      05-14-2014, 11:14 AM   #2
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My understanding is that, at least in NA, it has an intercooler on each side of the front bumper, like the 335is.
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      05-25-2014, 03:55 PM   #3
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It has oil cooler on front right and axillary radiator on front left. This is similar to 135i performance package upgrade which basically adds axillary radiator, bigger radiator fan and a little programming to add hp.
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      05-26-2014, 06:35 AM   #4
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you do understand the 335is is an N54 engine right? Those required cooling upgrades much more than the N55....
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      05-26-2014, 01:49 PM   #5
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Just came back from ED and specifically asked that question. Is seems the only cooling for the engine happens in the middle opening. The side openings cool the breaks. Just repeating what the guy said.
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      05-27-2014, 10:38 AM   #6
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Quote:
Originally Posted by 255zr
Just came back from ED and specifically asked that question. Is seems the only cooling for the engine happens in the middle opening. The side openings cool the breaks. Just repeating what the guy said.
Well thats just air venting...I think op is asking if the radiators, etc has been upgraded from other n54/5 cars
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      05-27-2014, 12:50 PM   #7
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Quote:
Originally Posted by BMWbab1 View Post
It has oil cooler on front right and axillary radiator on front left. This is similar to 135i performance package upgrade which basically adds axillary radiator, bigger radiator fan and a little programming to add hp.
Thanks, this is what I was wondering. For example, the PPK for the 335i (N55) includes an additional water cooler and larger radiator fan and I was wondering if something like this came standard on the M235i. The reason I ask is because I am conidering one of these as a daily driver and occassional track day car. The last time I had my 335i on the track it was fairly humid and my oil temps began creeping up into the 260 range. No limp mode or anything but it was running hot towards the end of my sessions.
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      05-27-2014, 03:21 PM   #8
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Quote:
Originally Posted by BMWbab1 View Post
It has oil cooler on front right and axillary radiator on front left. This is similar to 135i performance package upgrade which basically adds axillary radiator, bigger radiator fan and a little programming to add hp.
Look, not an expert, but I asked the question during ED last week, and the guy said just additional cooling for the brakes, no oil cooler or anything else. Could have been full of it.
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      05-27-2014, 03:24 PM   #9
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On us cars you can clearly see 2 coolers left and right. On euro cars I only see one on the right
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