Daniel Juncadella was the fastest driver in the 28 car field for the Formula 3 races at the Norisring in Germany during the early running on Friday, where temperatures were over 30 degrees.
The Spaniard, who leads the F3 Euro Series points, topped the second of two sessions, posting a fastest time of 50.316s in his Prema Powerteam-run Dallara.
Harry Tincknell was next, and the fastest of the British championship runners for Carlin. The Devonian was 0.061s slower than Juncadella around the 1.4 mile circuit in Nuremberg.
Tom Blomqvist took third place for ma-con Motorsport, ahead of Carlin's British series points leader Jazeman Jaafar. His teammate Pietro Fantin was fifth, in front of Euro Series runners Michael Lewis and Pascal Wehrlein.
Carlos Sainz Jr, third in both the Euro Series and British standings, was eighth fastest ahead of Ferrari protégé Raffaele Marciello, whose fastest time came in the first session in which he posted the best time.
Pipo Derani was tenth quickest (fifth in British F3) after claiming his second win of the British F3 season last weekend at Brands Hatch. He edged out Sven Muller with Jack Harvey in 12th, fresh from his double win at Brands Hatch.
Emil Bernstorff was 13th, ahead of Felix Serralles and William Buller. Hannes van Asseldonk beat Fortec teammate Alex Lynn into 17th place, with Nick McBride in 18th in his Nissan-powered car.
Sandro Zeller was 19th in the best of the older F308 cars, ahead of Felix Rosenqvist, Geoff Uhrhane and Andrea Roda. Lucas Wolf was 23rd fastest, ahead of Luis Sa Silva, Fahmi Ilyas and Philip Ellis, with the British F3 National class duo of Spike Goddard and Duvashen Padayachee propping up the timesheets.