up power to , while the 16-valve cars had hydraulic engine mounts. The eight-valve Turbo was also available as a two-door. Side marker lights at the rear of the front fenders were also added, while the 900i gained new interior fabrics. The new Saab-Scania badge was introduced, placed in the steering wheel, on the bonnet, and on the bootlid. 1986 also marked the introduction of the 16-valve 900i 16 and 900 convertible, both only for North America initially. 1987 facelift A new grille, headlamps, front turn signal lights and "integrated" bumpers freshened the 900's look for 1987, though the sheetmetal was largely unchanged. Several common parts for the 900 and 9000 were introduced for 1988 model year, including brakes and wheel hubs. This also meant that Saab finally abandoned the use of parking brakes which acted on the front wheels. Power steering was added on the 900i. The base 900, available with two or four doors, kept the pre-facelift appearance for 1987. Also new was the carburetted 900c. The Aero model received slightly bigger fender extensions so as to accommodate larger wheels, while the window trim was blacked out on all models. For 1988 catalytic converters became available with all fuel injected engines in Europe, all with cruise control as standard equipment to further help lower emissions. A water- and oil-cooled turbocharger (replacing the older oil-cooled unit) was also introduced to improve the unit's durability. In each of the seasons 1987 and 1988, there was a special 'one-make' race series, in the UK, called the Saab Turbo Mobil Challenge, sponsored by Saab Great Britain and Mobil. It was run by the BARC. The eight-valve engines were phased out in 1989 and 1990, with the turbo versions having been removed in North American markets by the end of 1984; North American 900S models received the non-turbo 16-valve engine for 1986. A non-turbo 16-valve engine replaced the 8-valve FI unit in the 900i (900S in North America) as well, while the carbureted engines were dropped. In Europe the eight-valve Turbo dropped out with the 1989 model year, with the limited production 900 T8 Special built to celebrate this. 805 were built for Sweden, featuring Aero trim and equipment. The 900i 16 arrived in Europe, with . Anti-lock brakes were introduced as well, and were standard on Turbo models. High-mounted rear brake lights appeared during 1988, and power of the catalyzed Turbo 16