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      01-30-2012, 12:11 PM   #5
Voytek
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Drives: 2012 BMW Z4 20i
Join Date: Jan 2012
Location: Belgium

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But what are the key differences between the 20i and 28i ?

Just the mapping and perhaps added turbo pressure? I see no reason why the 20i couldn't push to 250bhp ?
Appreciate 0