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Doubts with PE + resonator and/or 2nd cat delete on a 325i N53 (with NOx sensor) - BMW 3-Series (E90 E92) Forum
Mosselman Turbo Systems - This BMW 325i N53 has now 272 HP & 320 Nm thanks to our intake manifold performance package. Also interested in converting your 325i N53 to a 330i?
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