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      01-18-2013, 06:10 PM   #18
AdrianSi
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Drives: E90 330d LCi MSport
Join Date: Jul 2011
Location: Midlands, UK

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Nope the M57N wouldnt be effected as its a completely different engine design. The M57 is essentially the same as that fitted right back to the E46 330d but with revised inlet/swirl flaps etc. It has a front mounted timing chain, whereas the N57 has rear mounted timing chains (inbetween engine and gearbox).

I guess the idea of this is that the timing chain should last the life-time of the engine so being in this location shouldnt be an issue... however as i found out should you need to do any work on the chains, its an engine and gearbox out job!

M57 engine:-
http://www.e90post.com/forums/attach...1&d=1131056579

N57 engine:-
http://speedydaddy.com/wp-content/up...sel-Engine.jpg

Note front location of the timing chain on the m57 and differences in engine cover.
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