- George Russell set the fastest time in a disrupted FP1.
- McLaren brought an eight‑part upgrade package for the MCL40 to Baku.
- Both Oscar Piastri and Lando Norris began on medium tyres but had interrupted programmes.
- Limited clean soft‑tyre running prevented McLaren completing its intended evaluation.
- Norris was running around P12 before returning to the pits.
- On his out‑lap after returning, he told engineers the floorboard felt 'wobbly'.
- He spent an extended period in the garage, reducing his on‑track laps and data collection.
- McLaren needed soft‑tyre laps to understand the low‑downforce upgrade performance.
- Incomplete data increases uncertainty over setup choices for the rest of the weekend.
- Both McLaren cars experienced issues in FP1 (Piastri later had his car shut off in the pits).
Useful?