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Can anyone please elaborate on this?
I run european e90 325i 160kW '05, on a pillar B there's indication it's equipped with N52B25A which is ok. But I've looked into my intake manifold it clearly has something DISA'ish things on it. As I understand, it must not have these flaps since it's 2.5L. If not DISA's what is it then? Not su much familiar with BMWs
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