01-02-2017, 01:02 PM | #1 |
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MAF Sensor Cleaning
Didn't notice any DIY on MAF cleaning for our X1s.
Complexity: Easy. As in easier than making Ramen noodles. Tools: Torx head screw driver, CRC cleaner, plier Frequency: With my other cars I perform this maintenance annually. YMMV. Why bother? Clean MAF = Accurate air flow readouts = Accurate A/F calcs = Improved performance and mileage = Happy Bimmer = Happier You. Disclaimer: If you screw up, it's your fault. Steps:
You can visit F30 or F-whatever forums for photos. |
03-02-2017, 07:26 PM | #2 | |
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03-03-2017, 01:14 AM | #4 |
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Yours is different from us petrol models. Mine was quite easy to remove with bare fingers. Should work the same as these wire harnesses use plastic clips. Try pinching and pull.
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03-05-2017, 06:57 AM | #5 |
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Finally got it off.. I had to remove the air filter cover and the clamp to take the MAF housing out so that I can access the back of the wire connector. I had to press the white clip to unlock it and then I was able to pull the connector out. However, it turned out that my air filter needed cleaning more than the MAF sensor as there were dried leaf, dead bugs etc stuck in the filter lol.. I wanted to take the pic but didn't have my mobile with me
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03-06-2017, 11:18 AM | #6 |
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Sure sounds more complicated than petrol versions.
I notice due to the design and location of the air intake, it will get much dirtier than other cars where the inlet is either tucked in the fender well or angled. The X1s is right at the sweet spot of insect flight altitude. Anyway removal and cleaning of the air intake box is easy. Make sure you wipe the tubing too. Since you're in Australia.... just watch for those killer spiders! Crikey! |
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03-06-2017, 05:42 PM | #7 | |
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03-14-2017, 07:41 AM | #8 |
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If you're using a stock paper air filter, it's a looooongshot that the MAF is getting any contaminants on it at all from the outside world. Maybe a good thing to do at 100K, but unless something is broken or leaking on the intake tract, I can't see a reason to do this at all until a check engine light pops at 150,000 miles.
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03-19-2017, 06:14 AM | #9 | |
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03-19-2017, 11:59 AM | #10 | |
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If only BMW used Denso (Japanese) electronics! |
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