Quote:
Originally Posted by j23a45m
Many comments about forged this and that and yet to see it all besides talk. Have you pulled a part the n55 to go over its internals. Have you seen anyone use a bigger turbo to see what the motors can really handle? Stop this hear say, obviously Bmw knows what they're doing!
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Actually having been intimately involved in BMW products for 2 years I can shed light on it. The pistons and rods are different as well as the part numbers. N55s have cast rods.