Testing O2 Sensors & MAF Sensor with a multimeter

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Testing O2 Sensors & MAF Sensor with a multimeter

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04-12-2019, 11:03 AM

2004bmwx53i 2004bmwx53i is offline

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Join Date: Feb 2019

Location: Ontario, Canada

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Testing O2 Sensors & MAF Sensor with a multimeter

Hi Everyone,
2004 X5, 3.0i, E53. 160k miles! Still running great!
I'm going to test these sensors with a multimeter before getting new ones.
I know how to set up the multimeter for them. I need the volt value for the MAF and Ohms for the Oxygens sensor.
For the MAF, I got around 0.8v at idle and 1.8v at high revs. Are these within the range? And also what Ohm values should I expect for the O2s?
Thanks

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