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      11-24-2012, 03:19 PM   #31
benzy89
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Drives: '08 E90 335i
Join Date: Jan 2012
Location: Northern NJ

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2008 BMW 335i  [3.75]
Quote:
Originally Posted by RaddN54 View Post
i thought the 335 is had a little different cam...?
Same N54 engine in the 135, 335/335is, 535, Z4is + 1M. The tune (and the various hardware components on the 335is + 1M) are the only differences between them.

Quote:
Originally Posted by Evil///M View Post
so what exactly do they upgrade in the cooling system?
Here's directly from the press release I posted earlier with all the info on the 335is (http://www.autoguide.com/auto-news/2...nsmission.html).

Quote:
An additional radiator has been added behind the left-side front air intake, along with a more powerful electric cooling fan. An oil cooler is fitted opposite the second radiator, on the right side.
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