The Brabham BT54 Formula One racing car used tires with a network of around how many distributors and retailers?
12,500
Title: Pirelli
Passage: Pirelli & C. S.p.A. is a multinational company based in Milan, Italy, formerly listed on the Milan Stock Exchange since 1922, but now an overseas subsidiary of Chinese state-owned enterprise ChemChina.  The company is one of the largest tyre manufacturers behind Bridgestone, Michelin, Continental and Goodyear.  It is present in over 160 countries, has 19 manufacturing sites in 13 countries and a network of around 12,500 distributors and retailers.
Title: ATS D7
Passage: The ATS D7 was a Formula One racing car used by Team ATS in the 1984 Formula One season.  The car was designed by Gustav Brunner and was driven for most of the season by German Manfred Winkelhock.  He was joined in a second car late in the season by Formula One rookie, Austrian driver Gerhard Berger.  It was the last ever car produced by the ATS team.
Title: Brabham BT54
Passage: The Brabham BT54 was a Formula One racing car designed by Gordon Murray for the Brabham team for the Formula One season.  The car was powered by the BMW M12 4cyl turbo engine (generally agreed to be the most powerful engine in Formula One at the time) and used Pirelli tyres.  Like most of its rivals, Brabham had used Michelin tyres in .  However, when the French company pulled out of Grand Prix racing at the end of that season, team owner Bernie Ecclestone took a gamble and instead of signing with Goodyear for their proven rubber, signed with the Italian company instead.
Brabham BT54 Pirelli