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Old Jul 27, 2004 | 10:37 PM
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Jim Galbally's Avatar
Jim Galbally
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Joined: May 2003
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From: Ramsgate, Kent Drives: E39 530D Touring
Default Air Filter techy stuff...

ok heres one for you... imagine an airbox like on an ERST (with the airbox ontop) and imagine the intake bit (ie airbox->metering head join) is a flat squeare think (like panel filter shape)

what would be techincally superior for airflow... having the whole thing exposed to the elements (ie with the airfilter lying flat so air can rush over top of the panel instead of getting drawn in) or having a sealed airbox ontop with a small front intake (so all air that goes into airbox will be forced into engine, but only a small intake to suck air in thru...

or will it make so little difference that its not worth losing sleep over...

reason i ask is i ran mine without the airbox lid on earlier (still got the airfilter, just no lid to funnel the air into it) and it sounded SOOOO much sweter... how a v6 SHOULD sound and am just wonderin if its a really stupid idea having it how ive got it... (i'll take pics tomorrow) coz i dont wanna put the lid back on n have it sound boring again ive seen a few people run these with no airbox lid before, but still that dont necessarily mean its a good idea...

powerwise i couldnt notice feck all difference but then i didnt expect to...

so mike/scs? any ideas? you seem to be the airbox guru
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