EX STIG CRASHED MY MCLAREN THAT I JUST REBUILT

The video chronicles a high stakes rebuild of a wrecked McLaren 720S that began with ambitious intentions but quickly confronted a series of technical hurdles. After purchasing crash-damaged carbon fiber components in Amsterdam, the uploader explains that the car had to be effectively rebuilt from scratch due to carbon damage, a process that included re tubbing and meticulous assembly in the factory style. The initial drive after wheel fitting led to a chain of alarming issues, including engine smoking and a stalling condition that forced a diagnostic halt. The crew identifies an oil related problem, investigating whether the oil level was overfilled due to the dry sump design and how the car’s dashboard readouts complicate the oil checking procedure. They discuss how the car’s suspension warning light blocked certain dashboard interactions, complicating the oil level verification and prompting a drain and refill to restore proper oil levels. The video then pivots to a more urgent challenge: diagnosing and fixing an immobilizer and electrical communication fault between three ECUs that prevented the car from starting on the dyno or even waking up properly, leading to a decision to bring the car to McLaren for professional intervention. Throughout, Simon, a veteran McLaren technician, is introduced as the skilled problem solver who re-syncs ECUs, updates door modules, resets immobilizers, and repairs the parking brake system so the car can be driven and tracked again. The narrative reaches a turning point when the car finally succumbs to a successful wake-up sequence, allowing a complete pre-inspection at McLaren that rates the vehicle highly for a rebuilt machine, albeit with a few remaining cosmetic details and a noted need for future upgrades like a cross-member replacement. The latter portion shifts to a track trial, where the McLaren is tested against a track-ready Huracan and a Stig-led lap, revealing the car’s genuine performance capabilities and the importance of a precise alignment and suspension setup for competitive driving, before ending with a final reflection on the teamwork, the cost of the build, and the potential for further improvements on the car’s trajectory and reliability on the road to full legality and daily usability.

Topics · car_repair · automotive_performance · motorsport · mcLaren · supercar