[4] Muller topped the opening practice session leading a Chevrolet 1–2–3 ahead of Tom Chilton and Alex MacDowall.
Robert Huff was the fastest SEAT in fourth and Norbert Michelisz was fifth in his Zengő Motorsport Honda while the works drivers were both outside the top ten.
Darryl O'Young did not set a time during the session due to a turbo problem on his ROAL Motorsport BMW 320 TC.
James Thompson didn't set any times and spent the entire session in the pit lane while Hugo Valente stopped on track with five minutes to go.
At the end of the session, Marc Basseng went wide at the final corner and clipped the barriers on the outside before spinning to a halt in front of the pit entry.
[9] WTCC General Manager Marcello Lotti commented on the incident during the warm–up session the following morning and confirmed the penalties would be applied to race one only.
[10] After qualifying the Honda cars were found to be running illegal rear wings, Tarquini, Monteiro and Michelisz were sent to the back of the grid for race one.
Nykjær, Nash and Bennani broke away from the rest of the field while Kozlovskiy who had started fourth was dropping back and was soon behind teammate Thompson.
Muller's teammate Chilton was battling over the final four points positions with Huff, Thompson and Coronel and he came out ahead in seventh place.
The third sector was covered by yellow flags for the final few laps, reducing passing opportunities for the leaders who were running close together.
Tarquini had dropped back down the field and was defending eighth place from Huff who was unable to pass the Honda driver.