I agree topg but it quickly goes to more than one cyl when inlet temps have only gone up 2 degrees. I would also suggest a pull on just stage1 with pretty much all else the same. And maybe even a different brand of 91. That will let you more know whats happening.
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'13 335IS N54 ( 1 of 373 LeMans Blue out of 3597 total production e92) - Grey interior ( 1 of 24 in LMB with any trans- 1 of 14 with DCT)- MODS -MFactory LSD /MHD-BQ custom Tune /ATM -IC /AFE Momentum GT Intake /Konis /Mfront&HeimJoint Rear rods&arms /Brembos.
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