BMW 1738400 m52 refurbished cylinder head (single Vanos) removed from a running engine. Car had title issues and was parted out. Cylinder head inspected, cleaned, skimmed (still measured a bit over 140mm gasket surface to gasket surface), valves cleaned and lapped, tested for leaks, new Corteco valve seals installed. I built this head for a rebuilt m52 project but the price of a rebuilt m52 project is more than I need to spend on a daily driver. Head is ready install.