John,

The two ECUs are separate. In fact, the Boxster and the 996/997 even have
different ECUs. I've got a Boxster ECU sitting on the shelf if anyone needs
one.

Cheers,
Bruce
motorbruce@hotmail.com

>From: John Bange <jbange@GMAIL.COM>
>Reply-To: John Bange <jbange@GMAIL.COM>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: Tiptronic
>Date: Sun, 11 Sep 2005 09:52:14 -0700
>
>On 9/11/05, Raimund Feussner <rfeussner@gmx.de> wrote:
> >
> > The tiptronics are electronically controlled and depend on their
> > respective engine ECUs. So the Tiptronics only work with a 911 engine.
> > Happy converting :-)
>
>
>Aha. That would explain why the only conversion I have seen so far was a
>21-window bus with a 3.6l Porsche engine! Is the tiptronic controller
>actually all-in-one with the ECU? Or separate and just dependent upon its
>input? I'd think the latter, as it seems the former would require multiple
>versions of the Motronic ECU for various Audi models, for example.