Macanese driver Alex Liu joined Liqui Moly Team Engstler to drive their naturally aspirated BMW 320si.
[2] 2009 British Touring Car Championship champion Colin Turkington returned to the WTCC with Team Aviva-Cofco who were running a Chevrolet Cruze 1.6T.
[9] Menu was on top in free practice two in his Chevrolet, the works trio having spent the session swapping fastest times.
A set up change for Gabriele Tarquini in Q2 put him only ninth fastest but with the benefit of a front row start in race two.
James Nash was the quickest of the Team Aon pair in 15th, with teammate Tom Chilton down in 22nd ahead of series debutant Hugo Valente.
[13] Menu completed a lights to flag victory ahead of Huff but teammate and championship leader Muller retired on the first lap with broken rear suspension.
The breakage came in a second corner incident which also saw MacDowall, Turkington, Oriola, Darryl O'Young and Tom Coronel involved in a pile up.
[14] After the race, Valente, Nash, Boardman, Monteiro and Barth were issued with 30-second time penalties for missing the chicane to avoid a pileup, dropping the latter three out of the points.