Part Number: 13627593624. Vehicle Specific. Other Name: Hot-Film Air Mass Meter; Air Mass Sensor. $287.57 MSRP: $440.11. You Save: $ 152.54 ( 35%) Check the fit. Add to Cart. Fits the following BMW Models:
One of these components is called the Mass Air Flow (MAF) Sensor, and it is perhaps the most crucial element in a car’s electrical fuel injection system. If something were to go wrong, it could result in serious problems. Bad MAF Sensor symptoms include rough idling, loss of power while accelerating, starting trouble, and more.

How to clean a Mass Airflow Sensor. Mass Airflow Sensor cleaning can increase fuel economy, stop hesitation and stalling, and shut off your check engine ligh

running without mass air flow sensor. my car is runnning horriball has no power, spits ,spudders, bogs, can barly get iot up to highway speed. Not a Detailer Anymore. You need to give it time to adjust to new HFM. If no improvement, maybe the used one you bought is dead also. W/o the sensor signal A/F is going to be incorrect.

BMW Mass Air Sensor & Air Flow Meters for BMW 3 Series E36 (1992-1998) We sell OEM air mass sensors, air flow meters, and HFMs (Hot Film Meter) for many BMWs. When the mass air sensor is bad you will notice your engine running out of tune. Your fuel mileage will suffer, throttle response will be poor, and you will notice a lack of power.

The fault is entered if the ratio of the calculated air mass to the enclosed air mass flow is consistently implausible for the following duration: 25 /10 s Service Plan - If faults for monitoring of the voltage supply of the sensor system actuator system (5 V) are stored (tension outside valid range), then they must be rectified first.
BMW 3-Pin Mass Air Flow Connector - Genuine BMW 12521427222 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, & more Save for later 2 Ratings Available In Stock.
The electrical current and the air temperature are measured, and the corresponding air-flow is calculated and reported to the engine electronics. How MAFs clean themseves *********** Once in a while the MAFs will run a very high electrical current for a few seconds through the platinum sensor wire, so the wire gets red-hot (1000 deg C). 5,660. My Cars. 2005 M3 & 2004 330i. Since you have a 323, I believe there is a Hyundai MAF you can use that's pretty cheap. It has the exact same Siemens part number. At least here in the states, it tends to be around $120-150 IIRC. 03-25-2014, 09:36 AM #6. MarcoZandrini. Member. From the wiring diagrams I came up with the following: S50b32 Mass Air Flow Sensor. #1 pin on MAF (BR/OR wire) to Ground. #2 pin on MAF (GR/BL wire) to 41 on X6000 DME -> Signal HFM. #3 pin on MAF (RT/WS wire) to Voltage Supply. #4 pin on MAF (GR/WS wire) to 14 on X6000 DME -> Ground HFM. S54 Mass Air Flow Sensor.

Proper exhaust backpressure measured at the top oxygen sensor port right after installing a new BMW exhaust manifold (catalyst): Idle - needle rattles at around 0 psig Light load stoplight cruising up to 2500 RPM - 0.5 - 1 psig

Follow These Tricks! 3. Engine idles roughly or halts. These are the bad MAF sensor symptoms that indicate that the sensor is completely out of order. In that case, the car’s computer cannot control the fuel-to-air ratio because the sensor does not send any information to it. As a result, the engine either halts or idles roughly.
Read full post on www.foxandhammer.com or follow this link directly http://bit.ly/uxhXfs. How to clean the mass air flow sensor on your BMW e46.
The M56 SULEV uses Siemens MS 45.1 engine management and includes many emission control system changes. The emission relevant components are warranted for 15 years or 150,000 miles. M56 B25 engine power output and performance is the same as the comparable models with the M54 B25 engine.
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    • bmw e46 mass air flow sensor problems