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03-04-2026LAST POST
05-02-2022
Chief Orman
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Wondering if getting drunk before undertaking this project would help contorting your body?
_ink
05-02-2022
Chief Orman wroteProbably, but then you might wake up the next morning in a crazy amount of pain from using muscles you don't normally use.Wondering if getting drunk before undertaking this project would help contorting your body?
Chief Orman
05-02-2022
Chief Orman
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jsh139 wroteJust like the morning after date night with the wife.Chief Orman wroteProbably, but then you might wake up the next morning in a crazy amount of pain from using muscles you don't normally use.Wondering if getting drunk before undertaking this project would help contorting your body?
jsh139
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Artdnj
05-07-2022
_ink
Jedi samurai ninja turtle
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Chief Orman wroteWondering if getting drunk before undertaking this project would help contorting your body?
05-08-2022
kevinkay
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freshxdough wroteI am SO CONFUSED.....Worst part about it is if you accidentally end up pushing the recirculating flap past it's end stop resulting in poor air flow and even a slight air resistance/whistle that can be heard during fan operation. Ask me how I know because I did it last week when I serviced my microfilter. I've done thousands of micro filters and the G01 apparently is the only one you can possibly do this with. Yesterday I had to remove the complete glove box, passenger knee airbag and the blower fan to be able to access the flap and flip it back over. This is a known issue and there is an SIB for it. According to the SIB replacement of the complete air conditioning box is necessary. I wasn't about to take my car back to my own dealer for that lol.
I noticed my velocity was not as high as it used to be after filter replacement then saw this post. Pulled it all open and seeing there are 3 flaps. The issue is with the top flap getting flipped, correct?
With fresh air - recirculation button NOT lit the top flap opens and the 2 bottom close. (first photo)
Then with recirulation button pressed and lit the top one closes and 2 bottom open (second photo)
Am I good??
05-08-2022
kevinkay wroteI can't tell directly from that angle. Best way to check is with the microfilter removed. Did you change brands of microfilter toofreshxdough wroteI am SO CONFUSED.....Worst part about it is if you accidentally end up pushing the recirculating flap past it's end stop resulting in poor air flow and even a slight air resistance/whistle that can be heard during fan operation. Ask me how I know because I did it last week when I serviced my microfilter. I've done thousands of micro filters and the G01 apparently is the only one you can possibly do this with. Yesterday I had to remove the complete glove box, passenger knee airbag and the blower fan to be able to access the flap and flip it back over. This is a known issue and there is an SIB for it. According to the SIB replacement of the complete air conditioning box is necessary. I wasn't about to take my car back to my own dealer for that lol.
I noticed my velocity was not as high as it used to be after filter replacement then saw this post. Pulled it all open and seeing there are 3 flaps. The issue is with the top flap getting flipped, correct?
With fresh air - recirculation button NOT lit the top flap opens and the 2 bottom close. (first photo)
Then with recirulation button pressed and lit the top one closes and 2 bottom open (second photo)
Am I good??
05-08-2022
05-08-2022
kevinkay
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freshxdough wroteThanks boss!Yours looks to be not flipped and installed correctly
yes, did change brand, but both OEM, old one was black around the edge can't recall the brand.
New one is Mann - could be more restrictive?
05-08-2022
kevinkay wroteI think OEM changed so that's normal. You'd know if the flap was flipped because even on full fan speed you're barely getting any air out of the center vents. And you can hear almost like an air whooshing/whistling noise on full speed.freshxdough wroteThanks boss!Yours looks to be not flipped and installed correctly
yes, did change brand, but both OEM, old one was black around the edge can't recall the brand.
New one is Mann - could be more restrictive?
05-08-2022
Chief Orman
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Christ this now feels fraught.
BimmerXdrive
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misterdom
05-08-2022
rob175
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Might be helpful IF responders specify YEAR & MODEL when they discuss ease or difficulty..... there are considerable differences between years and models of X3's....and filter locations.
mailman_fin
05-08-2022
rob175 wroteThe G01 is the first X3 to have a microfilter inside the cabin. F25 was in the engine compartment at the bottom right of the windshield cowling.Might be helpful IF responders specify YEAR & MODEL when they discuss ease or difficulty..... there are considerable differences between years and models of X3's....and filter locations.
05-21-2022
Chief Orman
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freshxdough wroteDo you know if anyone makes a higher flow filter for cabin? I am kind of underwhelmed by the air velocity on AC Max.rob175 wroteThe G01 is the first X3 to have a microfilter inside the cabin. F25 was in the engine compartment at the bottom right of the windshield cowling.Might be helpful IF responders specify YEAR & MODEL when they discuss ease or difficulty..... there are considerable differences between years and models of X3's....and filter locations.
05-21-2022
Goldiegee
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Chief Orman wroteDepending upon where you live, you could try no filter? Cars never used to have them back in the day. If you don't live in a particularly dusty area I'm sure it would be fine?freshxdough wroteDo you know if anyone makes a higher flow filter for cabin? I am kind of underwhelmed by the air velocity on AC Max.rob175 wroteThe G01 is the first X3 to have a microfilter inside the cabin. F25 was in the engine compartment at the bottom right of the windshield cowling.Might be helpful IF responders specify YEAR & MODEL when they discuss ease or difficulty..... there are considerable differences between years and models of X3's....and filter locations.
Chief Orman
05-21-2022
X3rd Time Is a Charm
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Funny how this showed up today . I had my 2018 G0i instrument cluster updated yesterday (shifting left ) and asked them to change the oil while there . The SA asked if I wanted them to change the air micro filter and air filter also I asked how much, $620.00 US Dollars !! I declined . Crazy money !!
05-22-2022
This thread reminds me of time when i had to cut (yes, cutting) the body trims to get to the cabin air filter. Felt like this mess had to be a complete oversight, afterthought by the manufacturer's design/engineering.
I guess they don't make cars like they used for "simple" stuffs. Sometimes cars seem to get more complex for all the wrong reasons.
I guess they don't make cars like they used for "simple" stuffs. Sometimes cars seem to get more complex for all the wrong reasons.
07-14-2022
What brand and where do you buy filters? The genuine BMW cabin filter from PelicanParts and the engine air filter are $100 together.
07-15-2022
I replaced both the cabin and engine air filters last weekend. Here's what I used.
https://www.ebay.com/itm/392392757589
https://www.ebay.com/itm/293382118458
As indicated, both from Autopartsgeek....$57 for both.
https://www.ebay.com/itm/392392757589
https://www.ebay.com/itm/293382118458
As indicated, both from Autopartsgeek....$57 for both.
10-13-2022
lfdal54
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On my 2019 m40i, there were two different OEM part numbers depending on the VIN. One was charcoal-activated, and one wasn't. For some reason, the VIN determined which one was correct.
10-13-2022
Poppyboy
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It’s incredible how gullible and ignorant people can be by letting stealerships screw them over on these routine items. Samcrac just did a video on his brother’s BMW. His stealership wanted over $400 to do this! It took me less than 15 minutes and $30 to change out on our ‘19 30i.
https://www.amazon.com/Cabin-Filter-PC99458C-Fits-2018-20/dp/B07W52W9D8/ref=mp_s_a_1_3?crid=SUQUJ6V054IQ&keywords=x3+cabin+air+filter&qid=1665677318&qu=eyJxc2MiOiIyLjUzIiwicXNhIjoiMS44NCIsInFzcCI6IjEuNTkifQ%3D%3D&sprefix=x3+cabin+air+filter%2Caps%2C209&sr=8-3
https://www.amazon.com/Cabin-Filter-PC99458C-Fits-2018-20/dp/B07W52W9D8/ref=mp_s_a_1_3?crid=SUQUJ6V054IQ&keywords=x3+cabin+air+filter&qid=1665677318&qu=eyJxc2MiOiIyLjUzIiwicXNhIjoiMS44NCIsInFzcCI6IjEuNTkifQ%3D%3D&sprefix=x3+cabin+air+filter%2Caps%2C209&sr=8-3
kevinkay
10-13-2022
I'll never replace that thing, not worth it to screw things up or pay dealership hundreds of dollars
Artdnj
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The Libertine
10-13-2022
lfdal54
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bbb83 wroteIt's really not that hard. I'm old and did mine. I thought it was easier than the one in my wife's F31 wagon. And way easier than in my ex's 2012 Nissan Versa.I'll never replace that thing, not worth it to screw things up or pay dealership hundreds of dollars
But - if it's outside your comfort zone, I agree, don't mess with it. Every time I start a repair, I do so with the acceptance that it might get flat bedded to the dealership in the worst-case scenario.
Artdnj
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newtoncd8
+1
