: Allows for custom configurations like flat-12 engines by aligning modular front and rear pieces. Wheel Covers

allow you to carve custom lines, indentations, and vents into existing car bodies, giving you the power to replicate complex modern sheet metal. 2. Engineering the Impossible

It sounds like you're looking for to improve Automation - The Car Company Tycoon Game , specifically to make the tycoon/campaign side better (more realistic, challenging, or feature-rich).