Avoiding DNFs: how F1 teams keep their cars racing

'To finish first, first you have to finish'. Formula 1 teams can't score points, wins or championships unless their cars make it to the chequered flag. Reliability Engineers like Sauber's Laura Villadelprat work in the garage and the factory to keep the cars on-track and avoid the dreaded DNF (Did Not Finish). Laura explains how F1 teams know when it's time to swap old car parts for new ones, how they monitor reliability in real time, and what they do to investigate the causes of race-ending problems. 'Hi F1 Explains, my F1 question is...' You can get your question answered on the podcast. Send your question to F1Explains@F1.com Listen to more official F1 podcasts F1 Beyond The Grid - exclusive interviews with F1's biggest stars F1 Nation - expert Grand Prix reviews and previews Discover F1 Unlocked Unseen. Unheard. F1 Unlocked. Dive into exclusive content from F1 experts, redeem rewards and enter money-can't-buy competitions. Click here to join for free

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Your questions about Formula 1, answered by the experts. Katie Osborne and Christian Hewgill explain F1 with drivers, engineers and more of the amazing people behind-the-scenes. Send your questions, voice notes and messages to F1Explains@F1.com An official F1 podcast. For in-depth interviews with F1's biggest stars, listen to F1 Beyond The Grid. For race reviews and previews, listen to F1 Nation.