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Old 08-23-2011, 11:03 PM   #2
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Join Date: Jul 2008
Location: FLA
Posts: 2,894
My Ride: E90 6MT
M52TU = M54. Block and head are the same, the intake manifold, crank, rods, pistons and cams are all different on the 2.5 vs the 3.0. It could be done, but is it worth it?
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