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      04-24-2012, 11:43 AM   #13
david 335is
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Drives: 2012 BMW 335is
Join Date: Mar 2012
Location: Los Angeles

Posts: 162
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Originally Posted by mashimarho View Post
The 2011 335i is the n55 engine. 335is is n54.
I believe you went from n55 to n54 (which is a wise idea).
Correct, i had n55 and now i have n54..
I've read that n54 is better, but never knew the full details.
Do you mind explaining ?

Thank you,
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