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			#1  
			
			
			
			
			
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				Cabin filter (microfilter) foam gasket up or down?
			 
				__________________ 2016 GMC Sierra 2500 HD All-Terrain, Duramax 6.6 2011 X5M Alpine White/Sakhir Orange, Eucalyptus, Spare tire!, Comfort, Soft Close, Tech, Rear Climate, Individual dash, Individual Audio, HUD, DVD, USB, Cold. Gone: 2008 4.8i 2005 X5 4.8is 2004 X5 4.4i Sport 2004 X3 3.0i 6MT 2002 M5 | 
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			#2  
			
			
			
			
			
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			It's not directional.....the only thing that would be would be the tabs on the side to pull it out, if it has. Old ones had plastic frames. New ones have paper frames. | 
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			#3  
			
			
			
			
			
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			Thanks jsoto.
		 
				__________________ 2016 GMC Sierra 2500 HD All-Terrain, Duramax 6.6 2011 X5M Alpine White/Sakhir Orange, Eucalyptus, Spare tire!, Comfort, Soft Close, Tech, Rear Climate, Individual dash, Individual Audio, HUD, DVD, USB, Cold. Gone: 2008 4.8i 2005 X5 4.8is 2004 X5 4.4i Sport 2004 X3 3.0i 6MT 2002 M5 | 
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			#4  
			
			
			
			
			
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			I just bought and installed an OEM BMW Cabin Filter.  It was the new style paper version, which also has a directional arrow pointing down.
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			#5  
			
			
			
			
			
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			If the filter is non directional, I would install it foam side down, just so that there is more "filtered" air passing through! as opposed to the edge of the filter just allowing the unfiltered air into the cabin! (shudders!!) lol   
				__________________ 2003 X5 3.0i (02/2003) sport package, Sapphire black metallic / Black Dakota Sport seats. compass mirror retrofit, trailer hitch retrofit, Prodigy P2 trailer brake controller installed, PDC retrofit, Lumbar support retrofit. heated rear seats retrofitted. Running boards retrofitted and subwoofer install in progress. 4.8is Brakes installed front and back. Bluetooth TCU installed, Rear Fog lights installed. Retrofitted reclining rear seat backs.   | 
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			RickM5X3. You have a handy thing in your signature, mentioning your cars (year, type, platform) which all should do - as it helps to target vehicle specific advice. Your old and new cars don't show platform (2008 would be E70, 2005 would be E53 in Europe). Are you asking about microfilters for an E53 or E70 X5? For the E53, you will see that the filter has an arrow to indicate direction of flow. BMW unfortunately doesn't put an arrow on the housing or access flap (when you change the filter) to guide you, nor is it indicated in the factory service manual. Direction of flow is from the bottom to top, so the arrow points UP. For the E70, are you speaking of the twin filters (under the hood)? If yes - they can only be snapped in place in one direction. If your E70 also has the third filter just behind the glove box, (accessed from inside the car) you'll see how it comes out (I can't recall off the top of my head). 
				__________________ 2002 Euro X5 (E53) 3.0 diesel (M57) 5 speed manual with UUC short shifter. Pre-xDrive NV125 transfer case (chain & gears). Factory Xenon headlights, Spyder LED tail lights Updated vortex crankcase breather. Motorsport dead pedal, factory fire extinguisher, factory first aid kit, factory F&R mud flaps, factory PDC Bilstein B6 shocks F&R Redline oil has replaced "lifetime" fluids (F&R diff, manual transmission, transfer case and P/S). Dimple magnetic drain plugs in all compartments. | 
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