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^^^Its the same engine (N54) for intents and purposes (the different piston rings and retooled intake cooling tract aren't netting you huge HP gains)...so with both modified they should be about the same. I think he is referring to existing tuned 135i owners like myself...if you are in the market for a brand new one and don't have a 135i...I would get the 1M...otherwise just keep your 135i...just my opinion.
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Originally Posted by ptack
SGM was God's color and has been recalled to heaven.
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