BMW 4 Series Cabriolet MAF sensor clean
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BMW 4 Series Cabriolet MAF sensor clean
What's involved in a BMW 4 Series Cabriolet MAF sensor clean?
A mass airflow sensor (MAF sensor) is an important device used on fuel injected BMW 4 Series Cabriolet’s. It’s a sensor that reads the air volume entering the engine. The MAF sensor sends data to the BMW 4 Series Cabriolet’s ECU so it can calculate how much fuel to deliver, making sure the correct air-fuel mixture is maintained for best combustion.
As you can imagine, when the MAF sensor gets dirty it usually shows signs that it needs to be cleaned, however, sometimes the problem isn’t always obvious, so a scan tool check is a great way to isolate a MAF sensor issue on a BMW 4 Series Cabriolet.
A qualified mechanic is trained in how to clean a BMW 4 Series Cabriolet MAF sensor and is recommended to do this job. The mechanic will locate the MAF sensor, unscrew/unclip it and remove it. They will apply a mass airflow sensor cleaner to the sensor, let it sit and then refit into place.
MAF sensors are fragile as they have delicate wires that can be easily damaged. If they break the BMW 4 Series Cabriolet MAF sensor it will need to be replaced. Using the correct cleaner is also important so the dirt is removed without causing any damage to the sensor.
