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      09-26-2013, 06:42 PM   #66
mkoesel
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Drives: No BMW for now
Join Date: Jun 2006
Location: Canton, MI

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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
Using S62 bore (94mm) and S54 stroke (91mm), you get 3.8L. Both of these dimensions should be cake for this block if it is 98mm which matches BMW V8s and V12s from N73 onward (prior V12s shared the 91mm center bore of the I6 - they increased it to accommodate the Rolls displacement).