Walker 210-91052 Air Charge Temperature Sensor

Walker Air Charge Temperature Sensor 210-91052

Walker Products FSK 210-91052 is an air charge temperature sensor for select BMW and Land Rover applications. It is built for direct replacement use in engine management systems where accurate intake air temperature input is needed for proper drivability and fuel control.

Key Features

• Air charge temperature sensor for engine management applications
• Walker Products FSK line for application-specific replacement parts
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering, product management, and technical resources
• ISO 9001 and IATF 16949 certified manufacturing background
• Part number 210-91052 for catalog and service lookup

Vehicle Fitment

• Fits 2001-2006 BMW 325Ci, N/A
• Fits 2001-2006 BMW 330Ci, N/A
• Fits 2004-2006 BMW X3, N/A
• Fits 2001-2006 BMW X5, N/A
• Fits 2001-2005 BMW 325i, N/A
• Fits 2001-2005 BMW 325xi, N/A
• Fits 2001-2005 BMW 330i, N/A
• Fits 2001-2005 BMW 330xi, N/A
• Fits 2002-2005 Land Rover Freelander, N/A
• Fits 2001-2003 BMW 525i, N/A
• Fits 2001-2003 BMW 530i, N/A
• Fits 1997-2003 BMW 540i, N/A
• Fits 1996-2002 BMW Z3, N/A
• Fits 1997-2001 BMW 740i, N/A
• Fits 1996-2001 BMW 740iL, N/A
• Fits 1995-2001 BMW 750iL, N/A
• Fits 2000 BMW 323Ci, N/A
• Fits 1998-2000 BMW 323i, N/A
• Fits 2000 BMW 328Ci, N/A
• Fits 1996-2000 BMW 328i, N/A
• Fits 1997-2000 BMW 528i, N/A
• Fits 1996-1999 BMW 318ti, N/A
• Fits 1998-1999 BMW 323is, N/A
• Fits 1996-1999 BMW 328is, N/A
• Fits 1996-1999 BMW M3, N/A
• Fits 1996-1998 BMW 318i, N/A
• Fits 1996-1997 BMW 318is, N/A
• Fits 1995-1997 BMW 850Ci, N/A

What It Helps Address

• Incorrect intake air temperature readings
• Rough idle caused by faulty sensor input
• Fuel mixture and drivability concerns tied to sensor failure
• Check engine light conditions related to air charge temperature data
• Restoration of proper engine management feedback on BMW and Land Rover models

Installation Notes

Verify the connector style and application before installation. Use the vehicle’s service information to confirm the correct sensor location and clear any diagnostic trouble codes after replacement. For BMW 325i, 330i, X5, and related models, confirm the part number 210-91052 against the original sensor before service.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and backs its products with in-house manufacturing, product management, engineering, and technical support. The Walker Products FSK line is produced to meet or exceed OEM standards and specifications, with ISO 9001 and IATF 16949 certified quality systems.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.