Quote:
Originally Posted by 07tundra
You answered a part of my question so thank you. Do you have any insight on the other half of my question?
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Sorry, yes I did.
I'm not familiar enough with the N55 to know, but I'd expect if the N55 radiator were better and easy to fit, lots of people would be swapping them in.
It says a lot for the OEM radiator in the N54 that the CSF radiator actually has the same number of bars and fins, and due to the lack of space in the 1er engine bay, CSF weren't able to make their radiator any deeper than OEM (only the end-tanks are deeper). The additional cooling benefits of the CSF radiator are entirely because of it's 'B' style bars and all-aluminium construction. (I believe)
You have more options in a 335i engine bay, but BMW did a very good job of jamming the biggest and densest radiator they could into the space available in the 1er - it just looks like the N54 generates a lot of heat.