Hello,
We all should use whatever it says in the manual.
 They spend millions of marks (euros now) to see
what there engines need and they know best.  If a
lighter oil was good enough they would spec it
since that would save some fuel and increase
power slightly.
Steve

=====
Steve
croatoa@yahoo.com

__________________________________
Do you Yahoo!?
Yahoo! Calendar - Free online calendar with sync to Outlook(TM).
http://calendar.yahoo.com