The Formula 1 world is in turmoil following an unexpected announcement from the FIA: the test result of Oscar Piastri’s McLaren MCL39 at the Belgian Grand Prix has been invalidated. The decision, announced shortly after the Spa-Francorchamps race, prompted an emergency press conference attended by journalists, analysts, and team representatives. The FIA’s statement sheds new light on the ongoing controversy surrounding McLaren’s dominant performance in 2025 and fuels speculation about possible rule violations. What exactly happened, and what are the implications for the championship?
The Belgian Grand Prix, held on July 25, 2025, was a crucial race in a season in which McLaren set the pace. Oscar Piastri, the Drivers’ Championship leader with 234 points, appeared on course for another victory at the legendary Spa-Francorchamps circuit. With his race-winning teammate Lando Norris, McLaren dominated the weekend, extending its lead in the Constructors’ Championship to 460 points, well ahead of Ferrari (222 points) and Mercedes (210 points). However, after the race, the FIA subjected Piastri’s MCL39 to a thorough technical inspection, including a review of the wheel bodies and tire cooling systems, a long-standing suspect area.
According to the official FIA statement released after the race, a specific component of Piastri’s car did not comply with the technical regulations. While details were initially unclear, sources close to the investigation suggested the irregularity was linked to an innovative brake cooling system, which may have manipulated tire temperatures in an unauthorized manner. This follows previous suspicions, notably at the Miami Grand Prix, where Red Bull Racing questioned McLaren’s tire management. At the time, the FIA found no violations, but repeated inspections indicate growing suspicion among rivals, particularly Red Bull and Ferrari, who are struggling to compete with McLaren.
The emergency press conference, held in the press room at Spa-Francorchamps, was particularly tense. McLaren team principal Andrea Stella fiercely defended his team: “We have been completely transparent with the FIA and have always respected the regulations. This decision is surprising, and we will appeal.” Stella emphasized the complexity of the technical regulations and insisted that McLaren’s innovations, such as improvements to the front suspension, remained within the permitted limits. Oscar Piastri, meanwhile, remained neutral: “I am focused on driving. My car was compliant, and I have confidence in my team.” Nevertheless, frustration was palpable, especially since the invalidation could potentially affect his race results and championship points.
Reactions from competitors were mixed. Red Bull advisor Helmut Marko, present via video link, called the decision “a step forward towards fairness,” but called for more consistent enforcement. “If McLaren is doing something that’s forbidden, we need to know. But why only now?” he asked, referring to the previous acquittal in Miami. Ferrari driver Charles Leclerc, who, along with George Russell, had previously accused McLaren of exceeding the cost limit, was more diplomatic: “It’s up to the FIA to clarify the situation.” Meanwhile, journalists from GPFans and RacingNews365 speculated that the case could fuel the internal rivalry between Piastri and Norris within McLaren, particularly after Piastri’s time penalty at Silverstone.
The cancellation does not mean a definitive sanction. The FIA has announced a full investigation, with a hearing scheduled for the Hungarian Grand Prix. Possible sanctions range from points deductions to disqualification, which could disrupt the title race, where Piastri is only eight points ahead of Norris. For Red Bull and Max Verstappen, who have 165 points and are struggling to establish themselves with the RB21, this offers a glimmer of hope in an otherwise difficult season. The Formula 1 community now eagerly awaits the results of the investigation, while McLaren’s dominance, which many already considered unassailable, is suddenly under threat.