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My stage 1 actually had given me a drivetrain malfunction of some sort, a few months back. Not sure what it was till this day. Board looked good, no burns or imperfections. However I sent it back to Berger. I was apart of the low percentage of n20's that had this issue from what Berger tuning informed me, it does happen to us and was affecting the 3 series f chassis with n20's as well. So I went from that and upgraded to stage 2 with ewg and still running strong after 5k miles. No issues and no regrets from upgrading. Didn't even blow my stock charge pipe up yet, woohoo.
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