Thread: Spark Plugs and gapping
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      04-12-2017, 11:20 PM   #9
535_BiTurbo
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Drives: 2012 550I - BMS Stg 1 & CAI
Join Date: Sep 2013
Location: Texas

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Im running the Jb stage 1 tune on my 550i so im ruuning 13psi, stock boost is 10psi.
Last edited by 535_BiTurbo; 06-07-2017 at 04:19 PM..
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