04-25-2018, 11:47 PM | #1 |
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M4 spark plugs on tuned 228i?
Hi, I recently came across a thread that stated some users have s55 spark plugs under N20 engines. I have a 2014 228i with a downpipe and Stage 2 tune from AA.
Does anyone else have any experience with the spark plugs? Thanks in advance
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2014 228i M Sport w/ M235i Exhaust, VRSF DP, Stage 2 AA ODB2 Tune
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