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BMW 3-Series (E90 E92) Forum
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N52 power restored!
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01-26-2015, 08:20 PM | #4 |
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I had to use MAF cleaner recently since i was getting shitty MPG, but in the end it was determined that the 91 octane fuel I used for a gaspump not far up the road from my house was shit. Shell V Power fixed that issue right up once I burned through the shit fuel.
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01-26-2015, 08:54 PM | #5 | |
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01-26-2015, 08:55 PM | #6 | ||
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01-26-2015, 09:05 PM | #7 |
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Reading that initial post felt like I was watching a commercial for selling MAF cleaner.
Definitely intrigued by cleaning the MAF sensor though. I haven't had to yet in 120k miles, but theres definitely intermittent sluggish moments.
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01-27-2015, 10:17 AM | #10 | ||
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This reminds me - I need to update my old K&N post. |
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01-27-2015, 11:45 AM | #11 |
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01-27-2015, 12:44 PM | #12 |
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I did a MAF cleaning just for kicks at about 140,000km and noticed no difference at all afterwards. It looked very clean to begin with though.
I did notice an improvement in stability at idle after cleaning my VANOS solenoids though. I had a few minutes to kill while my oil drained so I took them out and soaked them in brake cleaner. I didn't expect it to make a difference, honestly, as they looked quite clean as well. Since then I've had a noticeable decrease in stumbles at idle, so it appears to have helped! |
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01-28-2015, 08:27 AM | #13 |
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Drives: 2010 E90 BMW 328i
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When I first read this thread I thought it was stupid. But being the curious cat that I am I decided just to take a look. Well turns out I didn't have the tool to take it out in my car so I said fuck it and wiggles the wires and flicked it a couple times. I SHIT YOU NOT my fuckin car is running better. It might be because the weather is getting less humid. But I felt a difference. I was amazed haha
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01-28-2015, 08:56 AM | #15 |
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MAF cleaner is also known for another fun thing, killing MAFs.
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01-29-2015, 03:12 PM | #18 |
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I have noticed differences in cars by cleaning the MAF when they need cleaning. However, I did clean the MAF on the 328 and noticed no difference what so ever. I guess I haven't had enough time to get it dirty yet. There are certain agents that you should not use on the MAF but MAF cleaner will not kill the thing. Just don't get any ideas touching anything in there
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02-01-2015, 05:14 PM | #19 |
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No harm cleaning the MAF, it can definitely restore performance and economy. I do highly recommend the cleaning of Vanos solenoids every now and again!
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02-10-2015, 03:59 PM | #20 | |
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02-10-2015, 06:23 PM | #21 |
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The MAF sensor is what meters incoming air to the engine, which allows the ECU to calculate the amount of fuel needed. It is a very sensitive piece itself, but is encased to prevent anything from damaging it. Cleaning the MAF involves spraying it with an approved cleaner.
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