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Bentley is set to end the fabled W12 combustion engine's production next year. Source: https://carbuzz.com/news/say-goodbye-to-the-bentley-w12-with-an-inside-look-at-how-its-built With electrification in its future, Bentley is set to end the fabled W12 combustion engine's production, with the last example leaving the factory in April 2024. And while the automaker has already celebrated its retirement at the Goodwood Festival of Speed, here's another way to laud the iconic engine's imminent departure - by knowing how it's made. YouTube channel Frame gives us an inside look at Bentley's Crewe factory where the W12 engine is made, showing us the entire process of assembling the 6.0-liter twin-turbo 12-cylinder mill. With a production line manned by 2nd and 3rd-generation Bentley engine builders, Bentley marries impeccable British craftsmanship with precision German engineering brought about by Volkswagen AG's acquisition. Every engine is built with great attention to detail. Machines assist skilled technicians in putting in exact amounts of torque on every nut and bolt. Even the connecting rod bearings are weight-matched to each rod before installation on the crankshaft for a perfectly balanced engine. Weight plays a huge role in any high-performance machine, hence Bentley's use of high-grade aluminum for the engine blocks and heads and titanium for each connecting rod for extra strength. It takes two technicians and a few machines to complete an engine. These technicians meticulously review each built engine with high-precision measurement tools to ensure their work meets Bentley's exacting specifications. Each engine is carried by an automated guided vehicle (AGV) taking each unit to workstations for technicians to complete them. There are a total of 64 stations that a car goes through to be completed; each station only takes nine minutes to complete its task. It takes a total of 127 minutes to complete a car. Once completed, these engines undergo rigorous pressure and dyno-testing, ensuring they match their specified outputs. While we're sure they could achieve more, the highest output currently configured is the 740 horsepower and 738 lb-ft of torque attained for the Bentley Batur. Data analytics track the performance of each car and identify areas for improvement. The historic Bentley factory in Crewe is the very first carbon-neutral automobile factory in the world, having received the internationally recognized PAS 2060 standard for carbon neutrality back in 2019. The British marque aims to build on the carbon-neutral status of the Crewe factory by investing in the Bentley Dream Factory to become climate-neutral, end-to-end, from 2030 onwards.