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Cabin filter change and Air Flow direction HELP Cabin filter change and Air Flow direction HELP
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Old 08-03-2012, 08:10 PM
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Question Cabin filter change and Air Flow direction HELP
Hi all, I just replaced my cabin air filter but did not pay attention when removing the old one what was the airflow direction. I googled it and most results were to make sure I notice the direction when removing....well I did not. Another video was showing to put with arrows up, but another one with arrows down, so now I'm confused.
If someone knows, please tell me.
Right now I left it with arrows pointing up. hope that is correct.
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Old 08-03-2012, 10:14 PM
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Arrow pointing 'up' is the correct position.
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Old 08-03-2012, 10:19 PM
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Quote:
Originally Posted by MrFixIt View Post
Arrow pointing 'up' is the correct position.

Thank you. Thats how I have it installed.
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Black on Black
Mods:
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*Pioneer avh-p4400bh Double Din (replaced Hualingan Unit)
*Sprint Booster
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*aFe Cold Air Intake
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Old 08-04-2012, 08:35 AM
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You might take a slim & narrow nozzle attachment, using your shop vac, and vacuum down in the cabin filter slot; every time I have changed mine there was a remarkable collection of leaves and debris and grit, down at bottom of that slot...
GL, mD
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Old 08-04-2012, 01:50 PM
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I believe the arrows point in the direction of the flow.
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Old 11-30-2012, 07:51 PM
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I'm not sure if your model is the same but on the X3 there is a tab on the filter that fits into a notch in the housing. Here is DIY guide i put together with some photos:

BMW X3 Cabin Air Filter Change DIY Guide

I know that's overkill for a filter replacement, but i just wanted to document the process so anyone thinking about doing it could see how easy it is. Hope it helps someone.
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Old 11-30-2012, 07:51 PM
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I'm not sure if your model is the same but on the X3 there is a tab on the filter that fits into a notch in the housing. Here is DIY guide i put together with some photos:

BMW X3 Cabin Air Filter Change DIY Guide

I know that's overkill for a filter replacement, but i just wanted to document the process so anyone thinking about doing it could see how easy it is. Hope it helps someone.
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Old 12-22-2013, 09:39 AM
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Quote:
Originally Posted by MrFixIt View Post
Arrow pointing 'up' is the correct position.
I was wondering/thinking the same thing. However, the filter I just bought (an OEM BMW paper version) has the arrow pointing down. If turned up the labeling would be upside down which doesn't make sense.
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Old 12-22-2013, 09:52 AM
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Quote:
Originally Posted by Franksauto View Post
I believe the arrows point in the direction of the flow.


So if you installed it with the arrow pointing up you got it backward.
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Old 12-22-2013, 10:13 AM
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Quote:
Originally Posted by upallnight View Post


So if you installed it with the arrow pointing up you got it backward.
I installed it with the arrow pointing down.
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