Originally Posted by samchoi604
The N20 is such a fine engineering beauty. It is a true upgrade to the old I6 N52. Unfortunately, the N55 is not much of an upgrade to the twin turbo N54.
well, twin-turbo's have been around forever. the n55 was landmark in terms of the twin scroll technology.
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