would a 2005 audi a6 3.2 engine fit to a 2006 audi a6 3.2
would 2005 audi a6 3.2 enigine fit in a 2006 on 2005 Audi A6 Quattro
Both are BKH series engines, wrecking yards usually know but then again they want to sell engines. Any differences (exhaust manifold, sensor locations. I just looked up a random item, the valve cover gaskets both years had identical. Maybe go to a website like www.rockauto and compare engine mount, intake exhaust manifold gaskets, fuel injectors see if the external parts are the same/will mount in the same places. Perhaps post your question on an Audi specific website or A6 website, those guys are certainly enthusiast.
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the bkh engines are similar to both model years,expect to use only the long block and you will not be surprised when y have to swap all accesorys such as intake ,exh,engine mounts ect.