[QUOTE] Dave Plowman (News) wrote: [/QUOTE] [QUOTE] Most all turbo-motors are non-interference.[/QUOTE] As I said, donks. ;-) The low compression used for most turbos means their efficiency is poor. [QUOTE] Not sure about the rather unusual (at 10.2:1) new BMW 3.0L...[/QUOTE] Apart from BMW, obviously. ;-)