Quote:
Originally Posted by F15_SGM
I retract my previous comment and highly recommend NGK 97506 swap. I'm running 0.020 gap.
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What’s happening, brother? You still driving the sdrive35i? I have the same model (but 2017), and I’m thinking about pumping her up with a catless downpipe, new charge pipe, and BM3 stage 2. Are you still running stage 1 or did you go deeper?