Explaining a car on Instagram: "A sectional BMW model precisely cut to showcase the complete inner architecture of modern automotive engineering. This cutaway display reveals how every component—engine internals, valvetrain, intake and exhaust pathways, lubrication channels, cooling system, and drivetrain elements—works together in perfect synchronization. From the finely machined camshafts and pistons to the intelligent routing of sensors and control units, the model highlights BMW’s focus on e