Feature: Excellent FunctionThe engine coolant thermostat is designed to regulate the cooling capacity of the cooling system to ensure that the engine runs within the appropriate temperature range. FitmentCompatible with BMW 1 Series 3 Series 5 Series X1 X3 Z4. The engine coolant thermostat is custom fit for your car. Part numbers are 11517572859, 11517506576. Easy to InstallDirect replacement, remove the old cracked and broken thermostat, and install the new one directly. Premium MaterialMade of high quality material, this coolant flange thermostat is anti-rust, sturdy, durable, in good working condition and has a long service life. Perfectly MatchUse the original accessories replacement parts casting mold, ensure a well alignment with original frame panel, to make it fully compatible with the model. Specification: Part Number: 11517572859, 11517506576 Fitment: Fit for BMW 1 Series E81 2006.9-2011.12 Fit for BMW 1 Series E87 2003.3-2007.2 Fit for BMW 1 Series E87 LCI 2006.2-2011.6 Fit for BMW 1 Series E88 2006.11-2013.10 Fit for BMW 1 Series E82 2009.6-2013.10 Fit for BMW 3 Series E46 2000.3-2006.8 Fit for BMW 3 Series E90 2004.2-2008.9 Fit for BMW 3 Series E90 LCI 2007.7-2011.12 Fit for BMW 3 Series E91 2004.3-2008.8 Fit for BMW 3 Series E91 LCI 2008.3-2012.5 Fit for BMW 3 Series E92 2006.9-2010.2 Fit for BMW 3 Series E92 LCI 2009.9-2013.6 Fit for BMW 3 Series E93 2005.9-2010.2 Fit for BMW 3 Series E93 LCI 2009.9-2013.8 Fit for BMW 5 Series E60 LCI 2006.4-2009.12 Fit for BMW X1 E84 2008.9-2015.6 Fit for BMW X3 E83 2003.5-2006.7 Fit for BMW X3 E83 LCI 2006.3-2010.8 Fit for BMW Z4 E85 2004.6-2008.8 Package Included: 1 * Engine Coolant Thermostat