OPEL SIGNUM Hatchback (Z03) 1.8 (F48) 103kW 09.2005-12.2008. OPEL SIGNUM Hatchback (Z03) 1.8 (F48) 103kW 09.2005-12.2008 Rear, Left, Right. Made with high-quality stainless steel fittings and stainless steel braided hose, these brake lines are designed for increased reliability, durability, and performance.