[Asphalt Anarchy]

Of course you can't find any info on their site but they sell or have sold turbo kits for our engine and others used by Lotus. Could be worth contacting them.

TOYOTA Auris 1,8 bemani - bemani motorenbau (pdf)

 

[S-Factor]

That's a pretty substantial increase compared to the original and the turbo kit is most likely compatible with the iM. Anyone giving it a try?