Used Oil Analysis and experience with the AFe Dry Panel Air Filter

XutvJet · 05-11-2021, 10:58 AM

I thought the group might find this interesting. I recently did a 5K mile used oil analysis and ran my AFe dry panel air filter the entire time. Although I've owned the filter since 2017, I've installed and uninstalled it a number of times over the years and it has about 20K miles on it.

The good news is that the filter appears to work fine. Teamed with the MPPK/M2 lower airbox (has a large opening in the front) you can hear a bit more diverter valve noise (I have the stock diverter). As noted, I've installed/uninstalled the filter a number of times. My biggest issue with the filter is that the motor sounds a bit strained and less smooth with the AFe filter. I also think it makes driving the 6MT smooth a bit more difficult in 1st and on shifts. I believe the issue is the extra flow and the MAF not liking it. It's never thrown a code.

My mods are the MPPK/M2 airbox, FTP charge pipe, Wagner Competition EVO I intercooler, HJS Euro 6 catted downpipe, Dinantronics Stage 2 piggyback, and the MP exhaust. I'm currently running a newer OEM paper air filter and much prefer it.

KennyFSU · 05-11-2021, 03:18 PM

Nice, I just got my 9k mile report back with K&N panel and the numbers were excellent, TBN was 3.6.

TYC · 05-24-2021, 06:45 AM

Your 1-2 shifts suck because you probably still have the cdv. Get the e90 slave to replace yours. Ours are internal and can’t be removed.

MLJR235 · 05-24-2021, 05:25 PM

Quote:

Originally Posted by TYC

Your 1-2 shifts suck because you probably still have the cdv. Get the e90 slave to replace yours. Ours are internal and can’t be removed.

XutvJet · 05-24-2021, 06:45 PM

Quote:

Originally Posted by TYC

Your 1-2 shifts suck because you probably still have the cdv. Get the e90 slave to replace yours. Ours are internal and can’t be removed.

Absolutely and I hate the thing, but the AFe filter causes wonkiness too. So does the Dinan Sport and the Sprint Booster. I've played around with these mods quite a few times, none of which remain on the car.

I'm of the opinion that the 6MT is very sensitive to certain mods and will cause trouble with shift smoothness and throttle modulation largely because of the CDV and also the fact that the DME adds a slight bit of throttle when you release the clutch. It's annoying as hell.

That's been my experience modding my car for the last 5 years.

AmuroRay · 06-08-2021, 12:42 PM

After about 5500+RPM, that strained sound, does it sound like...a resonance noise, or like a vacuum sucking...nothing?

XutvJet · 06-08-2021, 03:08 PM

Quote:

Originally Posted by AmuroRay

After about 5500+RPM, that strained sound, does it sound like...a resonance noise, or like a vacuum sucking...nothing?

I'd say it's more of a vibration/harshness thing that's felt rather than heard.

iv-128i · 06-08-2021, 05:13 PM

Quote:

Originally Posted by TYC

Your 1-2 shifts suck because you probably still have the cdv. Get the e90 slave to replace yours. Ours are internal and can’t be removed.

+1 !! Did mine last weekend ! Not sure why I waited so long to do it lol

05-11-2021, 10:58 AM	#1
XutvJet Major General 5551 Rep 5,369 Posts Drives: 2011 Cayman Base, 2016 M235 Join Date: Mar 2016 Location: Kansas City iTrader: (-1)	Used Oil Analysis and experience with the AFe Dry Panel Air Filter I thought the group might find this interesting. I recently did a 5K mile used oil analysis and ran my AFe dry panel air filter the entire time. Although I've owned the filter since 2017, I've installed and uninstalled it a number of times over the years and it has about 20K miles on it. The good news is that the filter appears to work fine. Teamed with the MPPK/M2 lower airbox (has a large opening in the front) you can hear a bit more diverter valve noise (I have the stock diverter). As noted, I've installed/uninstalled the filter a number of times. My biggest issue with the filter is that the motor sounds a bit strained and less smooth with the AFe filter. I also think it makes driving the 6MT smooth a bit more difficult in 1st and on shifts. I believe the issue is the extra flow and the MAF not liking it. It's never thrown a code. My mods are the MPPK/M2 airbox, FTP charge pipe, Wagner Competition EVO I intercooler, HJS Euro 6 catted downpipe, Dinantronics Stage 2 piggyback, and the MP exhaust. I'm currently running a newer OEM paper air filter and much prefer it. Attached Images __________________ The forest was shrinking, but the Trees kept voting for the Axe, for the Axe was clever and convinced the Trees that because his handle was made of wood, he was one of them.
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05-11-2021, 03:18 PM	#2
KennyFSU Captain 1104 Rep 736 Posts Drives: Lexus RC F Join Date: Nov 2019 Location: Florida iTrader: (0) Garage List 2016 BMW F22 M235xi [0.00] 1991 Suzuki Intrude ... [0.00]	Nice, I just got my 9k mile report back with K&N panel and the numbers were excellent, TBN was 3.6. __________________ Estoril Blue E36M3 Mineral Grey M235ix/12.02 @ 115 Ultra White Lexus RC F
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05-24-2021, 06:45 AM	#3
TYC Private 24 Rep 82 Posts Drives: 2015 M235i TE Join Date: Jun 2012 Location: Los Angeles / Toronto iTrader: (0)	Your 1-2 shifts suck because you probably still have the cdv. Get the e90 slave to replace yours. Ours are internal and can’t be removed. __________________ @theyoungcarmody 2015 m235i track edition PTF / Bm3 n55 dev car / brand ambassador Cscs time attack - street rwd Who says a race car can’t also be a show car?!?!
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06-08-2021, 12:42 PM	#6
AmuroRay Brigadier General 2268 Rep 4,132 Posts Drives: M235i Join Date: Aug 2019 Location: Florida iTrader: (0)	After about 5500+RPM, that strained sound, does it sound like...a resonance noise, or like a vacuum sucking...nothing? __________________ Mods: Yes.
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