Thread: 218hp n52b25?
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      04-02-2020, 01:02 AM   #2
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Drives: 23i sDrive
Join Date: Jul 2018
Location: Hong Kong

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From my understanding, the power differences is mainly due to the intake of the E89 23i being inferior to the E85 25si, with 25si being the one with full VANOS/3 stage intake equipped DISA Actuator which the 23i lacks. You could find more about this on N52B25 E90 323i and 325i.
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