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550i has a double air filter?

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Old 07-09-2008, 07:09 PM
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OK guys I'm new to this technical stuff, the kids were in bed and the wife is on the phone (easy 2 hours) so I sneak out to the garage and started poking around under the hood and ended up taking the air filter cover off...............Holy overkill Batman there's two filters in here.............is this really necessary?
Old 07-09-2008, 07:27 PM
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One is charcoal filter (the dark one) and one is air filter. A lot of people including myself have ditched the charcoal

Originally Posted by Ahsan' post='620032' date='Jul 9 2008, 08:09 PM
OK guys I'm new to this technical stuff, the kids were in bed and the wife is on the phone (easy 2 hours) so I sneak out to the garage and started poking around under the hood and ended up taking the air filter cover off...............Holy overkill Batman there's two filters in here.............is this really necessary?
Old 07-09-2008, 07:29 PM
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Originally Posted by myfootsmells' post='620057' date='Jul 9 2008, 11:27 PM
One is charcoal filter (the dark one) and one is air filter. A lot of people including myself have ditched the charcoal
+1 Ditch it... or hang it in the garage as wall art
Old 07-09-2008, 07:32 PM
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+2 Ditch the charcoal filter. Type charcoal filter into search.
Old 07-09-2008, 07:41 PM
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Originally Posted by DRANGED' post='620062' date='Jul 9 2008, 11:32 PM
+2 Ditch the charcoal filter. Type charcoal filter into search.
Charcoal filter no kidding, I knew this car was hot, but didn't expect a barbecue grill under the hood
thanks for the info ill put it in the search
Old 07-09-2008, 08:26 PM
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Originally Posted by myfootsmells' post='620057' date='Jul 9 2008, 08:27 PM
A lot of people including myself have ditched the charcoal
+1
Old 07-09-2008, 09:31 PM
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Originally Posted by DRANGED' post='620062' date='Jul 9 2008, 11:32 PM
+2 Ditch the charcoal filter. Type charcoal filter into search.
+3, er +4.....? Just get rid of it!
Old 07-09-2008, 10:44 PM
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+ whatever number we're up to now, lose the charcoal filter!
Old 07-10-2008, 01:36 AM
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Serious ... Suppose a frequent passenger has pulmonary/breathing problems?
Old 07-10-2008, 01:50 AM
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Originally Posted by sixcard' post='620269' date='Jul 10 2008, 05:36 AM
Serious ... Suppose a frequent passenger has pulmonary/breathing problems?
The charcoal filter is not the filter for interior or cabin air. It's put there as part of the evaporative emissions system, I believe.


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