High reliability and performance, durable and long lasting. Easy installation, perfect match for the original car. Replacement Manufacturer Part Number 11531437040, Fit for BMW E46 E39 X5 X3 Z3 Z4 330i 525i 530i 325i. Specification: Condition: 100% Brand New Material: Plastic & Metal Color: as picture show OE: 11531437040 11531436823 Package Weight: approx 400g Fitment: for BMW 320i 2001-2005: all sub-models; all engine for BMW 325i 2001-2005: all sub-models; all engine for BMW 328i 1999-2000: all sub-models; all engine for BMW 330i 2001-2005: all sub-models; all engine for BMW 325xi 2001-2005: all sub-models; all engine for BMW 330xi 2001-2005: all sub-models; all engine for BMW 323Ci 2000: all sub-models; all engine for BMW 325Ci 2001-2006: all sub-models; all engine for BMW 330Ci 2001-2006: all sub-models; all engine for BMW 528i 1999-2000: all sub-models; all engine for BMW 525i 2001-2004: all sub-models; all engine for BMW 530i 2001-2004: all sub-models; all engine for BMW X3 2004-2005: all sub-models; 2.5L engine 2004: all sub-models; 3.0L engine for BMW X5 2000-2006: X5 Models; 3.0L engine for BMW Z3 1998-2000: all sub-models; 2.8 engines 1999-2002: all sub-models; 2.5 engines; 2001-2002: all sub-models; 3.0 engine for BMW Z4 2003-2005: all sub-models; 2.5 & 3.0L engine Package List: 1 * Engine Coolant Thermostat Housing Aembly