Instructions on the manufacturer's certificate for approved summer tires, wheels, and spacers.
Porsche technical service bulletin No. 75-21 for 2010-2011 Porsche 911 (997), 2009, 2012 Porsche 911 Carrera 4s and 2012-2013 Porsche 911 Carrera 4 and others.
- Bulletin number
- No. 75-21
- Component
- Tires
- Summary
- Instructions on the manufacturer's certificate for approved summer tires, wheels, and spacers.
Vehicles covered
- Porsche 911 (997) 2010-2011 20102011
- Porsche 911 Carrera 4s 2009, 2012 20092012
- Porsche 911 Carrera 4 2012-2013 20122013
- Porsche 911 Targa 4s 2009, 2012 20092012
- Porsche 911 Targa 4 2013-2021 20142015201620172018201920202021
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