This coolant temperature sensor fits select 1999-2021 BMW and Land Rover applications and reports engine coolant temperature to the engine computer, which uses it to adjust fuel delivery, ignition timing and idle speed.

Walker Products 211-2006 Coolant Temperature Sensor Features:

• Fits 1999-2000 BMW 323i; 1999-2016 BMW 328i; 1999-2002 BMW Z3; 2000 BMW 323Ci, 328Ci; 2001-2006 BMW 325Ci, 325i, 325xi, 330Ci, 330i, 330xi; 2001-2018 BMW M3
• Fits 2002-2005 BMW 745Li, 745i, Land Rover Freelander; 2003-2015 BMW 760Li; 2003-2016 BMW Z4; 2004-2007 BMW 525i, 530i; 2004-2005 BMW 545i, 645Ci; 2004-2006 BMW 760i
• Also fits select BMW and Land Rover applications
• Female rectangle electrical connector with 2 blade terminals
• 12 mm (0.5 in.) threaded end diameter