Walker 210-1349 Air Charge Temperature Sensor

Air Charge Temperature Sensor Overview

The Walker 210-1349 air charge temperature sensor measures intake air temperature so the engine computer can adjust fuel delivery with precision. It supports efficient combustion, cold-start performance, and emissions control across a wide range of BMW applications.

Key Features

• Measures air temperature through resistance changes for accurate engine management.
• Helps the ECU calculate fuel delivery for improved performance and efficiency.
• Supports cold-start operation and reduced emissions.
• Direct-fit sensor application for BMW engine management systems.

Detailed Description

Walker 210-1349 is an air charge temperature sensor built for BMW models that rely on precise intake air temperature data to manage fueling and drivability. By reporting temperature changes to the onboard computer, it helps maintain the correct air-fuel balance, which can improve throttle response, fuel economy, and overall engine operation. This part number, 210-1349, is used across multiple BMW 128i, 135i, 328i, 335i, and M3 applications, along with select X1 and X3 coverage.

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

What It Is Used For

• Incorrect intake air temperature readings
• Hard cold starts
• Poor fuel delivery control
• Reduced engine efficiency
• Emissions-related drivability concerns

Installation Notes and Quality Assurance

Verify connector style and application details against the vehicle before installation. Confirm the exact BMW fitment for your model year and engine configuration, since this sensor is used across multiple platforms. Walker Products is known for engine management components engineered for precise signal output and dependable operation. Part number 210-1349 identifies this specific sensor for ordering and fitment verification.