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12-30-2012, 10:39 AM | #1 |
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2013 Stock Air Filter is Different.
I bought all these little mods, like the drop in MS Air Filter, and noticed the MY '13 (maybe '12s or '11s) has a new style of stock air filter unlike the white gauze / big pleated like version in the '08s.
Does anyone think the new filter (yellowish, with many thin deep pleats) might not be as restrictive than as the old '08 stock air filter and might be as good as the modified aftermarket filters? I installed the MS Filter recently and maybe it's a placebo effect, but the stock filter's induction sound / tone seem to be more aggressive and I didn't get the feeling the MS Filter made the car rev any easier than stock. |
12-30-2012, 11:51 AM | #3 |
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You are right. The 08-10 air filter was different to the 11+ ones.
Are you running a dried one or oiled? I have an oiled one and can personally say that idle revving has a bit of a deeper tone as does the downshifting sound, ripping it through red line is the same though. |
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12-30-2012, 11:52 AM | #4 |
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In 2010 BMW replaced the air filter in US cars with the Euro air filter. The Euro air filter is longer and flows slightly better than the US '08-'09 stock air filter.
I recently swapped out the stock air filter on my '12 with an aFE drop-in filter (had to buy the adapter) and I noticed a significant change in induction noise - definitely louder than the Euro stock filter, and similar to the noise level from the Dinan intake I have on my '09. |
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12-30-2012, 12:00 PM | #5 | ||
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Quote:
Quote:
I'm running a dry MS Air Filter w/ some AFE intake charge scoops. Maybe I'm just not recalling what the stock filter sounded like and perhaps the MS filter is really working as planned. Oh well, I'm not going in there to replace it back to the stock one - it was already a pain one time changing out that stupid plastic adapter as-is. |
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12-30-2012, 12:11 PM | #7 |
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12-30-2012, 12:48 PM | #8 |
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If it sounds crazy, when I put on the intake scoops, I felt the car sounded different with the stock filter alone - talk about a placebo effect! hahahaaa... Ignorance is bliss, I'll pretend these tiny mods give me 15 horsepower as advertised!
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12-30-2012, 01:35 PM | #9 | |
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I installed a MS oiled filter(alone, with adapter nub) and
Quote:
Mine had the "new" yellow filter from the factory. Haven't seen the older style to compare with but these stock filters work pretty well in my other hi-po applications. I was going for a reusable one with the MS.
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12-30-2012, 04:17 PM | #10 |
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Interesting read. I just installed the BMC filter in my '07 M3 which already had the EU filter. I noticed the BMC filter was at least 10mm short. I haven't noticed any change to the induction noise, but with the BPM Sport aka Benvo tune, I do feel the car rev much freely. I just feel it ... don't know whether this is the placebo effect. But I am enjoying the new found driving experience.
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12-30-2012, 09:38 PM | #11 |
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A non-paper filter is always going to outflow an OEM paper filter ..no matter which model year
That said you are never going to feel any effect from just swapping air filter |
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12-30-2012, 09:48 PM | #12 |
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12-30-2012, 10:06 PM | #15 |
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Euro spec 08 here so I cant comment on the pre '10 US filters..
Recently swapped in an AA green filter... car definitely breathes better and the additional growl alone justifies the purchase |
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