<p>The tire testing plant has a tire tester with one or more probes (5) for testing an internal tire tread (8) of a tire (1). One or more probes (6,7) are provided for testing an outer side wall (2,3) of the tire. A turning device is provided for turning the tire. A marking device is provided for marking the tire before turning the tire. A position recording device is provided for recording the position of the tire and turning the tire. An independent claim is included for a method for testing tire.</p>