# 2025 BELGIAN GRAND PRIX ## 25 - 27 July 2025 The FIA Formula One Technical Delegate From The FIA Formula One Technical Delegate To The Stewards Document 55 Date 27 July 2025 Time 11:20 Title Technical Delegate's Report Description Parc Fermé Issues **Enclosed 13 BEL GP 25 TDR10.pdf Jo Bauer** ## 2025 BELGIAN GRAND PRIX ## 25 - 27 July 2025 From : The FIA Formula One Technical Delegate To : The Stewards Date : 27 July 2025 ## TECHNICAL DELEGATE'S REPORT The following drivers are using a new internal combustion engine (ICE) for the remainder of the Competition: ## Number Car Driver Previously used ICE 44 Ferrari Lewis Hamilton 4 12 Mercedes Kimi Antonelli 4 14 Aston Martin Aramco Mercedes Fernando Alonso 4 The internal combustion engine used by the above drivers is the (5th) of the four (4) new internal combustion engines allowed for the 2025 Championship season and this is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations. The following drivers are using a new turbocharger (TC) for the remainder of the Competition: ## Number Car Driver Previously used TC 44 Ferrari Lewis Hamilton 4 12 Mercedes Kimi Antonelli 4 14 Aston Martin Aramco Mercedes Fernando Alonso 4 The turbocharger used by the above drivers is the (5th) of the four (4) new turbochargers allowed for the 2025 Championship season and this is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations. The following drivers are using a new motor generator unit-heat (MGU-H) for the remainder of the Competition: ## Number Car Driver Previously used MGU-H 44 Ferrari Lewis Hamilton 4 12 Mercedes Kimi Antonelli 4 14 Aston Martin Aramco Mercedes Fernando Alonso 4 The motor generator unit-heat used by the above drivers is the (5th) of the four (4) new motor generator units-heat allowed for the 2025 Championship season and this not is in conformity The following drivers are using a new motor generator unit-kinetic (MGU-K) for the remainder of the Competition: ## Number Car Driver Previously used MGU-K 44 Ferrari Lewis Hamilton 4 12 Mercedes Kimi Antonelli 4 14 Aston Martin Aramco Mercedes Fernando Alonso 4 The motor generator unit-kinetic used by the above drivers is the (5th) of the four (4) new motor generator units-kinetic allowed for the 2025 Championship season and this not is in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations. The following driver is using a new energy store (ES) for the remainder of the Competition: ## Number Car Driver Previously used ES 44 Ferrari Lewis Hamilton 2 The energy store used by Lewis Hamilton is the third (3rd) of the two (2) new energy stores allowed for the 2025 Championship season and this is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations. The following driver is using a new control electronics (CE) for the remainder of the Competition: ## Number Car Driver Previously used CE 44 Ferrari Lewis Hamilton 2 The control electronics used by Lewis Hamilton is the third (3rd) of the two (2) new control electronics allowed for the 2025 Championship season and this is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations. The following driver is using a new exhaust system (EX) for the remainder of the Competition: ## Number Car Driver Previously used EX 44 Ferrari Lewis Hamilton 5 The exhaust system used by Lewis Hamilton is one (1) of the eight (8) new exhaust systems allowed for the 2025 Championship season and this is in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations. All in this document listed PU elements have been replaced without the approval of the FIA technical delegate. Also changes have been made to the set up of the suspension of car number 44. Therefore car numbers 44, 12 and 14 should now be required to start the race from the pit lane according to Article 40.9 b) of the 2025 Formula One Sporting Regulations. I am referring this matter to the stewards for their consideration.