Saab 9-5 to the base models and the Aero. Six-speed manual transmission was not offered in first-generation 9-5s. In 2005, an updated version of the 2.0 L turbocharged I4 was introduced in the European market together with the 2006 9-5. The engine was sold as "2.0T BioPower", optimized to run on E85 producing 132 kW (180 hp) at 5500 rpm. There was also a 2.3T BioPower version sold from 2007. It was also introduced in Australia. There is a Saab 9-5 E100 Concept, based on the turbo 2.0. The 9-5 introduced Saab's Active Head Restraints (SAHR), which moved up and forward to
3–3–5 defense playing mostly zone or sometimes man coverage. This alignment is rarely seen in the NFL , but is used by many high schools to counterattack the spread offense scheme. Boise State, West Virginia, BYU, and Arizona have used this formation with success in college football. Michigan ran this formation during the 2010 season. TCU uses this as a variant formation; its base defense is a different nickel set, the 4–2–5. In 2017 Iowa State adopted this defense as a counter to the Air raid offenses commonly encountered the Big 12 conference. Teams that run the 3-3-5 generally use it because