The BMW WilliamsF1 Team’s 2004 Championship challenger, the WilliamsF1 BMW FW26, made a promising test debut yesterday , with Juan Pablo topping the timesheets.  Location: Jerez Circuit, SpainCircuit Length: 4.428 kilometresWeather: Sunny in the morning, overcast in the afternoon.Ambient (max.): 21°CTrack (max.): 23°C

Test Objectives:Initial assessment and set up work of the FW26 and Michelin tyre testing.

Synopsis:Sam Michael (Chief Operations Engineer, WilliamsF1): "Today we worked on the initial set up of the FW26 with Juan Pablo. We've concentrated on trying a variety of different set ups and collecting initial data from the car. Naturally, we have encountered one or two teething problems, as you would expect with a new car, but Juan managed to complete some good mileage. Meanwhile, Marc ran an FW25B today to assess on-going tyre testing."

Juan Pablo Montoya and Marc Gené will both be undertaking testing duties again today.

Times:1. Juan Pablo Montoya, BMW WilliamsF1 Team, 1:16.630, 35/512. Ricardo Zonta, Toyota, 1:17.970, 68/723. Marc Gené, BMW WilliamsF1 Team, 1:18.045, 38/414. Jarno Trulli, Renault, 1:18.096, 21/925. Franck Montagny, Renault, 1:18.453, 34/1026. Felipe Massa, Sauber, 1:18.983, 31/607. Luca Badoer, Ferrari, 1:19.093, 37/598. Olivier Panis, Toyota, 1:19.333, 25/47