Thread: 20i 25i 28i?
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      01-06-2013, 11:41 AM   #1
Private First Class
South Africa

Drives: '15 F30 328i '15 F12 650i
Join Date: Feb 2009
Location: Johannesburg

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20i 25i 28i?

What's the difference between these engines mechanically? Have they beefed anything up along the way to cope with more power? I'm thinking the 125i is really just a detuned "128i" done so, so the performance difference between that and the m135i is bigger.

Sure I know on a modded car, especially a turbo one you can turn the wick up all you want, but if my car is mechanically set up to be a "128i" and just detuned for marketing reasons.. Well I might be inclined to load software that gives me it's real potential