The both are going to drive the GT2 specification BMW M3 for the Rahal Letterman team.

Priaulx, who makes his Petit Le Mans debut, is going to drive the number 90 car with Bill Auberlen and Joey Hand.

Müller, who has done a lot of Petit Le Mans races before, is going to drive the number 92 car with Dirk Müller and Tommy Milner.

"Their collective experience in WTCC perfectly rounds out our team," said Birkmann.