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lucifer_product · 11-01-2019, 01:15 AM

The different between 20i and 28i is compression ratio 11:1 and 10:1 .
So max boost in 28i is 22PSI (from data that I found ) and 20i that I monitor is 12PSI

11-01-2019, 01:15 AM	#3
lucifer_product Registered 0 Rep 1 Posts Drives: BMW Z4 s20i Join Date: Oct 2019 Location: Bangkok Thailand iTrader: (0)	The different between 20i and 28i is compression ratio 11:1 and 10:1 . So max boost in 28i is 22PSI (from data that I found ) and 20i that I monitor is 12PSI
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