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Saturday, April 19, 2025

2025 F1 engine components utilization: reliability turns into key issue as groups strategy PU limits


After 4 Grands Prix out of a 24-race calendar (plus the Dash), the reliability scenario is beginning to get attention-grabbing.

Yesterday, the FIA confirmed that, for the Saudi Arabian GP, all Crimson Bull Powertrains-powered drivers – specifically Crimson Bull and Racing Bulls – concurrently changed 4 energy unit elements: ICE (inner combustion engine), TC (turbocharger), MGU-H, and MGU-Ok. This mass substitute is totally authorized (because it includes the second of the 4 components permitted for almost all elements), however it raises various warning bells inside RBPT.

Not like different engine producers, Crimson Bull-associated groups are the one ones to have changed so many elements concurrently this early, at simply the fifth spherical of the season. It’s exhausting to suppose it’s only a coincidence: the acute warmth in Jeddah and knowledge gathered from sensors on the finish of the earlier race might have prompted engineers to keep away from dangers and make early replacements. Nevertheless, the frequency of those interventions means that some facet of thermal administration or mechanical reliability wants nearer consideration, particularly since any additional substitute of both the management electronics or batteries will end in a 10-place grid penalty for all 4 RBPT drivers (George Russell can be in the identical scenario together with his Mercedes).

As a result of a mixture of reliability issues, rain-related crashes in Australia, incidents in China, and points throughout follow periods in Japan, Oliver Bearman, Jack Doohan, and Liam Lawson had already used the second of the 4 out there energy items. With right now’s replacements, Jack Doohan and Liam Lawson are successfully approaching three, whereas Gasly now reaches two.

Amid a very sophisticated begin to the season, there may be excellent news from Ferrari, which, like McLaren, Aston Martin, Sauber, and Williams, has not skilled any reliability points.

With such an extended championship, automobile reliability might be a vital issue within the combat for the World Championships, particularly because the rules restrict what number of elements could be changed on a automobile earlier than grid penalties are utilized. Specifically, energy unit elements and people associated to the gearbox and transmission are intently monitored.

In keeping with the rules (Article 28.2), in the course of the 2025 season, a driver might not use greater than 4 ICEs, 4 MGU-Hs, 4 MGU-Ks, and 4 turbochargers (TC), 2 batteries (ES), 2 management electronics (CE), and eight exhaust methods.

Up to date desk of elements utilized by every driver in 2025 (after the Bahrain GP and the FIA doc dated 18-04)

N. Scuderia Pilota ICE TC MGU-H MGU-Ok ES CE EX
81 McLaren Oscar Piastri 1 1 1 1 1 1 1
04 McLaren Lando Norris 1 1 1 1 1 1 1
16 Ferrari Charles Leclerc 1 1 1 1 1 1 1
44 Ferrari Lewis Hamilton 1 1 1 1 1 1 1
01 Crimson Bull Max Verstappen 2 2 2 2 2 2 3
22 Crimson Bull Yuki Tsunoda 2 2 2 2 2 2 3
63 Mercedes George Russell 1 1 1 1 2 2 1
12 Mercedes Kimi Antonelli 1 1 1 1 1 1 1
18 Aston Martin Lance Stroll 1 1 1 1 1 1 1
14 Aston Martin Fernando Alonso 1 1 1 1 1 1 1
10 Alpine Pierre Gasly 2 2 2 2 1 1 2
07 Alpine Jack Doohan 2 3 3 2 1 1 3
31 Haas Esteban Ocon 1 1 1 1 1 1 2
87 Haas Olivier Bearman 2 2 2 2 1 1 2
06 RBR Isack Hadjar 2 2 2 2 2 2 3
30 RBR Liam Lawson 3 3 3 3 2 2 3
23 Williams Alexander Albon 1 1 1 1 1 1 1
55 Williams Carlos Sainz 1 1 1 1 1 1 1
27 Sauber Gabriel Bortoleto 1 1 1 1 1 1 1
05 Sauber Nico Hulkenberg 1 1 1 1 1 1 1

Alex Marino

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