Used, fully operational set of catalytic converters (left and right) for BMW M2, M3, M4 with S55 3.0L Twin Turbo engine. The catalytic converters are in working order and ready to install, with a 30-day warranty to boot.
A set of used, working catalytic converters for 2004 BMW X5 E53 3.0 along with rear lambda probes. The catalytic converters are fully functional, ready for installation. The offer includes a 30-day start-up warranty for a safe and secure purchase.