The German manufacturer propped up the five-car GTE Pro field in the 6 Hours of Monza, with the best of the two 911 RSR-19s finishing nearly a minute down on the race-winning #64 Corvette C8.R.
It followed a pre-race BoP change that handed Ferrari a small power boost, allowing the Italian manufacturer to dominate its home race until it was forced to bring both its cars to the pits for a fuel top-up with less than three minutes to run.
