Plug-In Hybrid 2023 BMW X8 M Competition Spied Testing at the Nurburgring

As you’re well aware, the AMG performance division is currently working on two electrified bi-turbo V8 powertrains dubbed 63 e and 73 e. The latter will produce more than 800 horsepower, which is why the Bavarian rivals at BMW decided to electrify its bi-turbo V8 mill.

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