Considering we have the same motor as the M, I'm only assuming the differences are intake, exhaust and the computer program that makes up the 155 hp difference.. Anyone else care to chime in on this?

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2011 X5 50i Titanium Silver, Full black nappa, bamboo, premium, sport, 20's, tech, prem. sound, comfort..
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2006 BMW X5 4.8is - SILVER - SOLD - Pic page
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