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sDrive20i > sDrive28i DME update
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11-01-2019, 01:15 AM
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lucifer_product
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Drives: BMW Z4 s20i
Join Date: Oct 2019
Location: Bangkok Thailand
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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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