No, run-flat tires are designed to survive some punctures or other causes of air loss and be driven for up to 150 miles (depending on manufacturer) without adding a tire sealant.

TRENTON, N.J. (June 3, 2010) — BMW North America L.L.C. and Bridgestone Americas have agreed to reimburse U.S. owners and lessees of certain 2006 and 2007 BMW 3-series models who had to replace their ...

TRENTON, N.J. (June 9, 2010)—BMW North America L.L.C. and Bridgestone Americas have agreed to reimburse U.S. owners and lessees of certain 2006 and 2007 BMW 3-series models who had to replace their ...

TRENTON, N.J. (June 3, 2010)—BMW North America L.L.C. and Bridgestone Americas have agreed to reimburse U.S. owners and lessees of certain 2006 and 2007 BMW 3-series models who had to replace their OE ...

BMW North America L.L.C. and Bridgestone Americas have agreed to reimburse U.S. owners and lessees of certain 2006 and 2007 BMW 3-series models who had to replace their OE Bridgestone run-flat tires ...