Rein OE Quality Valve Cover Kits are designed and manufactured to be direct replacements for OE units and include additional commonly replaced valve cover accessories for a 'single box' repair Exact OE fit, form, and function - Rein valve covers feature identical dimensions and thermal properties to ensure perfect fit and resistance to heat cycle degradation Manufactured to strict engineering standards, using only high quality materials to prevent leaks and warping Includes eccentric shaft sensor, integrated breather valve, premium quality gasket, oil cap, breather hoses, and installation hardware for a trouble free installation Replaces OE No. 11127552281; fits select BMW vehicles: 2008-13 128i, 2007-11 323i, 2007-13 328i, 2009-13 328i xDrive, 2007-08 328xi, 2008-11 528i, 2009-10 528i xDrive, 2008 528xi, 2007-12 X3, 2007-10 X5, 2007-11 Z4 Included components: valve cover, eccentric shaft sensor, breather valve, gasket, oil cap, hoses, and hardware