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Mass Air Flow Sensor 13621432356 For BMW 3 5 7 Z3 Z4 X3

Mass Air Flow Sensor 13621432356 For BMW 3 5 7 Z3 Z4 X3

Price:
$12.85
OE No:
13621432356
MOQ:
10
QTY/CTN:
10/1
Weight:
0.12 KG / 0.86 KG
Size:
150x130x100mm / 100x90x60mm
Warranty:
1 Year
Delivery Time:
3-15 Days

Application

Makes Series Models Year
BMW 3 (E46) 1998-2007
BMW 5 (E39) 1995-2004
BMW 7 (E38) 1995-2001
BMW Z3 (E36) 1997-2003
BMW Z4 (E85) 2003-2005
HYUNDAI SONATA IV (EF) 1998-2004

MAF传感器描述

The Mass Air Flow Sensor is one of the key components in the automotive engine management system. It is responsible for measuring the air flow entering the engine and transmitting this information to the engine control unit (ECU) in the form of an electrical signal. The ECU accurately calculates the amount of fuel injection based on the data provided by the MAF sensor and information from other sensors (such as the oxygen sensor, throttle position sensor, etc.) to achieve the best air-fuel ratio, thereby ensuring efficient and clean operation of the engine.

Our advantage:

1. Improve engine performance:

More accurate air-fuel ratio control: A high-quality MAF sensor can measure the intake air volume more accurately, allowing the engine control unit (ECU) to calculate the injection amount more accurately to achieve the best air-fuel ratio. This can bring stronger power output, lower fuel consumption and cleaner emissions.

Faster engine response: A high-quality MAF sensor has a faster response speed and can promptly transmit information about changes in intake volume to the ECU, allowing the engine to adjust the injection volume and ignition timing more quickly, resulting in a more sensitive throttle response and a smoother driving experience.

More stable idle speed: A high-quality MAF sensor can provide a more stable signal, thus helping the ECU to better control the idle speed and avoid problems such as unstable idle speed and jitter.

2. Extend engine life:

Reduce engine wear: The optimal air-fuel ratio can reduce the formation of carbon deposits inside the engine, reduce engine wear and extend engine life.

Protect the three-way catalytic converter: An inaccurate air-fuel ratio can cause the three-way catalytic converter to overheat or become poisoned, and a high-quality MAF sensor can help protect the three-way catalytic converter and extend its service life.

3. Reduce maintenance costs:

Reduced failure rate: High-quality MAF sensors use premium materials and precision manufacturing processes, which have higher reliability and longer service life, which can reduce repair costs caused by MAF sensor failure.

Avoid damage to other components: A faulty MAF sensor may cause the engine to work abnormally, which in turn may damage other components such as oxygen sensors, spark plugs, etc. A high-quality MAF sensor can avoid this from happening.

4. Better driving experience:

Smoother Shifting: A high-quality MAF sensor can provide more accurate signals, helping the automatic transmission shift more smoothly.

Lower noise and vibration: The optimal air-fuel ratio can make the engine run more smoothly, reduce noise and vibration, and improve driving comfort.


As an important part of the automobile engine management system, the performance of the MAF sensor directly affects the engine’s power, economy and emissions. Selecting high-quality MAF sensors and performing regular maintenance are of great significance to ensuring the normal operation of the engine and extending its service life.

Choosing COWTOTAL’s MAF sensor can bring better engine performance, longer engine life, lower maintenance costs and a better driving experience. It is a worthwhile investment.

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MAF传感器产品规格

MASS AIR FLOW SENSOR SPECIFICATIONS

Since the exact specifications of the MAF sensor vary by vehicle model, engine model, and manufacturer, here are some common specifications:

Electrical parameters:

     ▶  Working voltage: usually 12V or 5V

     ▶  Output signal type: analog voltage signal (0-5V) or digital frequency signal (PWM)

     ▶  Output signal range: Depends on the specific model, such as 0.5-4.5V or 1.5-12kHz

     ▶  Supply current: usually tens of mA

     ▶  Operating temperature range: -40°C to +120°C (or higher)

Mechanical parameters:

     ▶  Size and weight: Depends on the model, usually small and light

     ▶  Installation method: usually fixed by bolts or buckles

     ▶  Interface type: The electrical interface is usually a waterproof plug

Performance parameters:

     ▶  Measuring range: e.g. 0-500 kg/h or 0-1000 kg/h

     ▶  Measurement accuracy: Typically ±2% or better

     ▶  Response time: typically a few milliseconds

     ▶  Service life: typically 100,000 km or more

MAF传感器产品规格2

Relay group         Air Flow Sensor         ③ Engine Control Unit         ④ Fuel Injection


Maintenance and Breakdown:

The MAF sensor is an important part of the vehicle engine management system. Its normal operation is essential to ensure engine performance and emissions. Through regular maintenance and timely repairs, the service life of the MAF sensor can be extended and engine problems caused by MAF sensor failure can be avoided.

Each type and specification of MAF Sensor has its specific advantages and requirements in different applications. The choice of MAF Sensor should be based on the vehicle’s needs and the manufacturer’s specifications.

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MAF传感器特点1

TOP-NOTCH MAF Sensor

High precision         Fast response         ③ Work efficiently         ④ Smooth running


MAF传感器特点2

MAF传感器特点3

High-precision measurement:

The use of advanced sensing technology and precise manufacturing process ensures high accuracy and stability of air flow measurement, providing precise air-fuel ratio control for the engine.


Quick Response:

It can quickly respond to changes in engine intake volume and transmit signals to the ECU in a timely manner to ensure the smoothness and responsiveness of the engine power output.


High reliability:

The use of high-quality materials and strict quality control ensures that the product can work stably and reliably in various harsh environments and extend its service life.


Strong compatibility:

A variety of models and specifications are available, suitable for gasoline and diesel engines of different brands and displacements.


Easy installation:

Compact design, easy installation and quick replacement saves maintenance time and cost.

MAF传感器特点4

Attention: Please use the appropriate shop manual for your vehicle to obtain specific instructions. If you do not have an installation manual or enough skills to install this part, it is recommended that you seek help from a qualified mechanic.

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MAF传感器包装

High temperature resistance

Outer submembrane protection

Not easily deformed

Corrosion resistant soaking


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