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Old 11-29-2012, 03:42 PM
The X Men The X Men is offline
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Location: MA
 
Join Date: Mar 2012
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Mein Auto: 2012 535xi 2013 X3 35i
m6pwr, nice write up. I knew there was some difference between the N55 and the N54, but did not realized that the N55 was so much more advance. So is it true that the N55's block is made out of a alum mag alloy and the N54 is alum?
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