The BMW E46 models, including the 320i, 323i, 325i, and 328i with M52 and M54 engines manufactured between 1998 and 2005, use an AFM (Air Flow Meter) or MAF (Mass Air Flow) sensor with the part number 13621432356 or 5WK9605. Here are some key features:

Key Features:
Engine Performance: The air flow meter is a critical component that measures the amount of air entering the engine. This information is essential for the engine control unit (ECU) to calculate the correct air-fuel mixture for combustion, optimizing engine performance.
Part Compatibility: This air flow meter is designed to fit BMW E46 models equipped with the M52 and M54 engines. These engines are commonly found in the 320i, 323i, 325i, and 328i variants.
OEM Quality: It's advisable to look for genuine OEM (Original Equipment Manufacturer) or high-quality aftermarket replacements to ensure accurate and reliable performance.
Direct Replacement: This sensor is designed as a direct replacement for the original part. It should fit seamlessly into the existing air intake system without requiring extensive modifications.
Compatibility: Before purchasing, verify that this air flow meter matches your vehicle's specifications, including the specific engine type and year of manufacture.
Improved Fuel Efficiency: Proper measurement and control of air intake contribute to fuel efficiency, potentially reducing fuel consumption and emissions.

Disclaimer:
Please ensure the compatibility of this air flow meter with your BMW E46 model, engine type (M52 or M54), and production year before making a purchase. Consult your vehicle's manual or a trusted parts supplier to confirm that you are selecting the correct part. If you are not experienced with automotive repairs, it's recommended to have a qualified mechanic or technician install the sensor to ensure proper functionality and avoid damage to other engine components.

What's in the box
1x Air Flow Meter