For sale: Complete thermostat system and temperature regulator valve with original coolant water passage, used in excellent condition. It is part of the cooling water pump assembly for BMW cars with B58 engines, models 2016 and above. Water pump / coolant pump M140i M240i 340i 440i 540i 740i 840i X5 40i X6 40i Price: 400 SAR Shipping available to all cities in the Kingdom. To see more of our offers, click on my name and you can follow our account by clicking follow at the top right of the page. May you be in God's care and protection.