Walker 211-1053 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for BMW and Land Rover

Walker Products 211-1053 is an engine coolant temperature sensor built for select BMW and Land Rover applications. It supports accurate coolant temperature reporting to the engine management system, helping maintain proper fuel control and temperature-based engine operation.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering processes focused on meeting or exceeding OEM standards. The Walker Products line includes sensors and other engine management parts for import and domestic vehicles, backed by ISO 9001/IATF16949 certified quality systems.

Key Features

• Engine coolant temperature sensor for select BMW and Land Rover vehicles
• Direct-fit application coverage for multiple BMW 5 Series, 7 Series, Z3, Z8, M5, and X5 models
• Supports coolant temperature input used by the engine control system
• Built by Walker Products, part number 211-1053
• Cross-reference application coverage includes OE-style replacements such as 5S1481 and SU5173

Detailed Description

Walker Products 211-1053 is an engine coolant temperature sensor for a wide range of BMW and Land Rover applications, including BMW X5, 525i, 530i, 540i, M5, Z8, Z3, 740i, 740iL, 750iL, 528i, 318ti, 323i, 323is, 328i, 328is, M3, 318i, 318is, 840Ci, and 850Ci, plus Land Rover Range Rover and Discovery models. This sensor provides the coolant temperature signal used by the vehicle’s engine management system for temperature-based control strategies. Part number 211-1053 is a practical replacement choice when the original sensor is no longer reading accurately or has failed.

This part cross-references OE-style numbers such as 5S1481 and SU5173 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Hard starting when the engine is cold
• Rough idle related to temperature input errors
• Illuminated check engine light tied to sensor faults
• Fuel mixture issues caused by inaccurate coolant data

Installation Notes and Fitment

Fits 2000-2006 BMW X5, N/A; 2006 BMW X5, N/A; 2001-2005 BMW X5, N/A; 2003-2005 Land Rover Range Rover, N/A; 2001-2003 BMW 525i, N/A; 2001-2003 BMW 530i, N/A; 1999-2003 BMW 540i, N/A; 2000-2003 BMW M5, N/A; 2000-2003 BMW Z8, N/A; 2003 BMW Z8, N/A; 2003 Land Rover Discovery, N/A; 1996-2002 BMW Z3, N/A; 1999-2002 Land Rover Discovery, N/A; 1999-2002 Land Rover Range Rover, N/A; 1999-2001 BMW 740i, N/A; 1999-2001 BMW 740iL, N/A; 1998-2001 BMW 750iL, N/A; 1999-2000 BMW 528i, N/A; 1996-1999 BMW 318ti, N/A; 1998-1999 BMW 323i, N/A; 1998-1999 BMW 323is, N/A; 1996-1999 BMW 328i, N/A; 1996-1999 BMW 328is, N/A; 1996-1999 BMW M3, N/A; 1996-1998 BMW 318i, N/A; 1997-1998 BMW 528i, N/A; 1997-1998 BMW 540i, N/A; 1997-1998 BMW 740i, N/A; 1996-1998 BMW 740iL, N/A; 1996-1997 BMW 318is, N/A; 1995-1997 BMW 750iL, N/A; 1996-1997 BMW 840Ci, N/A; 1995-1997 BMW 850Ci, N/A.

Some BMW applications note cylinder head or thermostat housing locations, while certain X5 and 540i applications reference the water pump area. Verify the original sensor location and connector style before installation, and confirm vehicle-specific notes such as chassis/VIN breakpoints on Land Rover Discovery applications.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates under ISO 9001/IATF16949 certification.