I'm thinking about it once it's a little more tried and tested. I'm not crazy about the 02 sensor situation when going the headers + tune route, and I feel that ESS has a solid history converting cars to FI.
I know the full history of my car, I'm not a huge fan of the 2 series, and I wouldn't really want to trade for a used 135i. The low amount of miles I'm putting on my car now also makes it feel less risky to me.
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