TTT I6 sounds insane.
I mean, i've experienced trashing my turbo in a 530Dat, in US currency, it cost me a couple of thousands to fix.
So if all three turbo's went south, that's 6.000 USD at least.
This beeing a S engine, i'm sure we can conclude at least 10 grand og these turbo's blows.
New tech is cool when they work, but after a few years, it will cost alot to maintaine down the road imo!
Looking at S38, S50, S52 and S54, all reliable NA engines that holds up great imo.
And it's not like BMW love the direction the CO hysteria goes, they cope with it well, but the enviroment crap complicates everything, and in the long run, makes it more expensive for us as consumers.
3 series: E30: 89 BMW 325i, E36: 92 BMW 325iC, 94 BMW 320iC, 96 BMW 320i Convertible, 94 BMW 320iaC, E46: 99 320ia, E90: 06 BMW 318i Le mans, E91: 07 BMW 318dt
5 series: E39: 97 BMW 520ia, 01 BMW 530Dat, E61: 09 520Dat
X: E83: 05 BMW X3 2.0d Sappihre black.