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      11-16-2008, 09:52 AM   #19
hobbit382
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Join Date: Oct 2006
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the original 745 was the n62b44 engine which was 4.4l
the 750 had the n62b48 engine which was 4.8l
but the new n63b44 is 4.4l so maybe thats why they went back to
745. just my guess although the x6 has the same engine and they call it xdrive 50
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