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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
Flieger,

You are right. After my comments above I did some more research and BMW's new motor variant is truly state of the art.

It is there first time combining variable valve timing, direct injection and turbo charging and some other trick technology's like controllable and variable oil pump delivery. It is able to run at over 10/1 CR on top of running a turbo.

In all, there efforts resulted in over 300# TQ by 1500rpm (apx 200rpm earlier than there twin turbo 6) and about a 7% increase in fuel economy.

Basically this little gem makes full boost by 1500rpm and pulls a 7000rpm red line.

It also makes more TQ and it makes it sooner than Mercedes E class diesel.

Cool stuff and it is interesting they did this by leaving the twin turbo behind for a divided turbine set up with a log exhaust system.
Old 06-07-2010, 11:31 AM
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