When I last checked (several months ago), I was told that after the early build '06 CS' Porsche changed the ECU to reduce memory to a size that wouldn't permit flashing APR's multiple programs, so only 1 could be loaded. Having just a single flash (e.g., 93 octane) defeated the primary benefit of APR's flash for me. There was no ability to select between 93 octane, 91 octane or stock settings.

Has anything changed since then?

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Dan