After months of waiting for nearly impossible-to-find parts, Gytis is finally putting the heart of this 1991 BMW 850i back together. In this episode, we begin reassembling the legendary 5-litre V12 — reinstalling the heads, timing components, and everything that makes the BMW M70 engine such an engineering masterpiece. But as with any classic car restoration, it’s never that simple… halfway through the rebuild we discovered the water pump and thermostat were beyond saving, setting us back yet ag