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      01-27-2020, 01:09 PM   #3
jeffp1105
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Drives: 2020 Z4 M40i
Join Date: Feb 2014
Location: Colorado

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This looks like it's tested only with the A90 and EU spec B58. The US Spec B58 engine is far more powerful already. Wonder if it would work in that application?

https://cdn.bmwblog.com/wp-content/u..._M40i_dyno.jpg
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2020 BMW Z4 M40i, Black/Cognac/799 Black Wheels
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