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I will be installing the JB+ and BMS single cone filter this weekend. I will let you know how it goes. I will post some pics as well. I would much rather tune by flash, but no local tuners have anything specifically for the Z4. I traded a couple of emails with Austin at GIAC, great tuner IMHO. Dinan's flash is not ready yet. We'll see what pans out.
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2020 BMW M340i xdrive
2016 BMW M4 (sold)
2015 BMW M4 (sold)
2014 Audi RS5 (sold)
2012 Audi TT RS (sold)
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