In recent years, additional sensors have been added inside tires, which provide additional information such as tire temperature and footprint information for enhanced driving performance. Today, almost all vehicles are equipped with TPMS. In 2019, many auto manufacturers offered vehicles with run-flat tires, but BMW and Mercedes-Benz dominate market share.įigure 3: Extended Mobility System (Courtesy of Yokohama Tire).ĭuring the detection phase, the tire pressure monitoring system (TPMS) indicates that one or more of the tires on the vehicle is at least 25% below the recommended pressure. And, of course, Chevrolet’s Corvette was a groundbreaker, offering run-flat tires as an option in 1994 and as standard equipment beginning in 1997. Lexus was also out of the gates early with a run-flat fitment on the SC Coupe in 2000 and has followed with run-flat options on many vehicles since. By 2004, BMW featured run-flat tires on the 3, 5, 6 and 7 Series automobiles, as well as the Z4. Soon after, in 2002, the Mini brand launched with 100% run-flat tires featured on the Mini Cooper models with 16- and 17-in. Starting in 2000, BMW debuted the stylish Z8 with a staggered set of 18-in. Without question, BMW has most embraced and advanced run-flat technology in its automobiles (see Figure 2) among OEMs. (See Figure 1 for run-flat tire market size and segmentation.) The touring segment, with H- and V-speed rated tires, comprised around 47% of the total run-flat tire market in 2019, followed by CUV/highway tires with around 19% of the market. Figure 1: Run-Flat Tire Market (Yokohama Tire market segmentation based on USTMA data).
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