Incredibly Engineered & Manufactured: The Last NA (Article Below)

(AM repost) The engineering behind BMW's last (not counting its DI variant N53) NA engine, the lightest production 6 cylinder to date (and powerplant of the 1 series, 3 series, 5 series, 7 series, X3, X5, and two Z4s) designated N52, was incredibly innovative. A few variants make 32 more bhp than the S52 M3's 3.2 six… » 12/04/14 11:30am 12/04/14 11:30am