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      09-27-2013, 07:40 AM   #74
Yellow Snow
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Drives: 335d Coupe. Stock no more!
Join Date: Mar 2008
Location: Newcastle

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Quote:
Originally Posted by Boss330 View Post
The great thing with a large bore/short stroke engine is that it's possible for BMW M and the tuners to develop "stroker kits".

With a 85mm bore this engine gets 3219cc
With a 88mm bore this engine gets 3329cc
With a 89,6mm bore this engine gets 3390cc
Don't you mean stroke?

Quote:
Originally Posted by Boss330 View Post
See my previous post re bore spacing. http://f80.bimmerpost.com/forums/sho...3&postcount=52

Where do we have the 91mm bore spacing info from?
Is it a verified measurement or just what everyone believes?
It's definitely 91mm spacing. I've measured it myself.