WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTING RODS AND BEARINGS SPECIFICATIONS
Large connecting rod eye (without bearing)
mm
53.600 +0.016
Conrod bushing: Inside diameter
mm
22+0.013+0.004
Permissible total deviation of connecting rods in one engine (without bearing shells)