 On their own, they lacked the money to build it, but with investment that came with the merger it became the McLaren MP4 (later called MP4/1) of , driven by Watson and Andrea de Cesaris.In the MP4, Watson won the British Grand Prix and had three other podium finishes.Soon after the merger, McLaren moved from Colnbrook to a new base in Woking and Dennis and Mayer initially shared the managing directorship of the company; by 1982, Mayer had departed and Tyler Alexander's and his shareholdings had been bought by the new owners.