Following a fraught debut for BMW’s new GT3 contender in January’s Rolex 24 Hours, the two Rahal Letterman Lanigan-run entries were much more competitive in their second IMSA outing, with both Augusto Farfus and Nick Yelloly charging up the field in the first stint to put their respective cars in early podium contention.
Yelloly and his teammates Marco Wittmann and Philipp Eng remained the main challengers to the leading Corvette as the race reached its final hour, only for a late gearbox problem to drop the #24 BMW a lap down in fourth.
The sister #25 M4 driven by Farfus, Connor de Phillippi and John Edwards was also in the battle for podium spots in the early part of the race until a power steering failure necessitated a lengthy repair job, leaving the trio 10th in the 11-car GTD Pro class.
BMW’s new motorsport boss Andreas Roos was encouraged by the pace shown by both its factory M4 cars at the round-the-clock enduro, but admitted that reliability problems prevented his…
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