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I just updated to Stage 1 Aggressive v401 on my 08 335i and got the following codes:
P29CD
P29CF
P29CC
P30FF
I run only 93 octane no ethanol. Only mod is BMS intake. I was running v301 stage 1 aggressive previously with no problems no misfires at all. My plugs are less than 10k old.
Any ideas?
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