Change Mass Air Flow Maf Sensor Bmw 3 Series 2004 2013

Lastly a collision may cause a physical or electrical fault in the maf. Before replacing the sensor however the rest of the circuit should be checked for proper operation.

Diy Maf Sensor Cleaning Bmw 3 Series E90 E92 Forum

A replacement mass air flow sensor can cost anywhere from 20 to 600.

Change mass air flow maf sensor bmw 3 series 2004 2013. The sensor itself is located near the air filter housing on the driver s side of the engine. A maf sensor that behaves like this will require replacement. Rough idle or stalls.

If you are going to replace the maf yourself then i d always recommend buying an oem mass air flow sensor. How a mass air flow sensor works. The mass airflow sensor records the amount of air that is coming into the engine and will then calculate how much fuel is needed to offset it.

There are a number of things that can prohibit a mass air flow from working. Turns out my fuel trims were high 29 at idle and low throttle and back to normal about 2 to 3 at high throttle. Replacing a mass air flow sensor is fairly straight forward so most of the cost comes from the cost of the part and not the labor.

The sensor can also be damaged during air filter changes and anytime the engine intake is serviced. This is a good job for diyers and shouldn t take too long. 12 2004 bmw 3 touring e46 10 1999 bmw 3 touring f31 07 2011 bmw 3 touring.

Failure rates are highest between 100 000 and 125 000 miles. Because my car accepted just this air mass sensor. Bosch mass air flow sensor for bmw 3 series car models buy bosch brand air flow meter selection for your bmw 3 series directly and cheaply.

In this guide you will find instructions on how to change the mass air flow maf sensor on a 2004 2013 bmw 3 series. The mass air flow maf sensor part of your vehicle s electronic fuel injection system is responsible for calculating the total amount of air entering the engine. A faulty maf sensor can cause your vehicle to run too rich or run too lean.

This guide applies to bmw e90 e91 e92 and e93 vehicles manufactured from 2004 2013. If you ve got a p0101 code it s likely time to replace the mass air flow maf sensor. A completely failed maf sensor will not send any airflow information to the pcm.

Bmw e46 maf mass air flow sensor replacement 325i 328i 330i 320i 316i 318i 330d 320d foxwell nt201 scanner. The mass airflow sensor is held in place with two screws and is very straightforward to replace. How often do mass airflow sensors need to be replaced.

You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. If the circuit has an issue replacing the sensor will not solve your problem. Without a properly working mass airflow sensor it will be nearly impossible to keep your car running as intended.

Air mass sensor 0 281 002 216. Here s a look at how mass air flow sensors work symptoms of failure and a step by step guide on how to replace this sensitive part. I was tempted to replace the mass air flow sensor but paused to review the situation after reading your article.

Maf sensors do tend to fail sometime in most vehicles. I datalogged during a few short drives and reviewed the logs.

Diy Maf Sensor Cleaning Bmw 3 Series E90 E92 Forum