PIWIS stands for Porsche Integrated Workshop Information System. TSI is the component in PIWIS that offers authorised companies in the sense of Art. 4 Para. 2 of the Commission Regulation No. 1400/2002, its successor regulations and regulation nos. 715/2007 and 692/2008 on this website access to technical information. TSI is an acronym of Technical Service Information and includes Workshop Manuals, among other things, for Porsche vehicles.
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