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      04-22-2012, 11:46 AM   #55
ATX78703
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Drives: 2014 335i
Join Date: Jul 2011
Location: Austin, TX

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I think everybody is underestimating the scope of engine changes that ///M is going to do this car. I don't think it's going to be the equivalent of the factory tune in the 640i, x6 or x5 m-performance pack nor the dealer installed performance tunes on the n55.

Most of it will be different ECU tune increasing the boost, but I bet there will be intake, exhaust, cooler and oil pump changes, perhaps even more involved mechanical changes. Look the 1M wasn't the exact same engine as the 335is/z435is. This will be the successor to 1M. I will more be expecting in the 335 hp range with perhaps a remapped tranny to better exploit the engine.
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2014 335i RWD: ZMM, ZDA, ZDH, ZPP, ZTP, 2NH, 2TB, 5DL; Z4A MPPK; AW ext / VB int

2014 ML350: P01, R33, 297, 319, 846, 864, 889, 996; LB ext / AB int