545i Cold Air Intake
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Joined: Mar 2006
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From: SoCal
My Ride: No mods
Originally Posted by Bimmer32' post='602369' date='Jun 13 2008, 09:43 PM
. . . and the real dyno result was . . . ? Somebody convince me it's not snake oil, please. 
check r1racer's dyno with EuroRev/SI remap in his sig.
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Joined: Sep 2007
Posts: 1,712
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From: Encino, CA
My Ride: 04 545i - Titanium Silver/Black, Sport pkg, Comfort Seats w/ Lumbar, Premium Sound, power rear sunshade, Adaptive Xenon Headlights, Steptronic, Park Distance Control, Fold down rear seats w/ski bag, Aux jack, 6-disk changer, puddle lamps...
Engine: Custom Remus cat-back exhaust w/chrome square tips, K&N Air Filter, Charcoal Filter Removed, Sprint Booster :-), 50/50 mix of 91+100 Octane, EuroRev ECU Remap (coming soon lol), Dinan High-Flow Throttle Body (coming soon...maybe lol)
Interior: Portable Sirius Stilletto 100 w/car kit, Garmin Nuvi 680 mounted below rear-view mirror, LCI-style I-drive knob, Dark Poplar Center Dashboard Trim.
Exterior: E60 forum clings, 5% rear tint, ACS roof spoiler (painted black for distinct look against limo tint), ACS trunk spoiler, ACS add-on front spoiler and rear apron (awaiting installation), "18 Black Staggered BeBeS Style OER (emergency replacement for cracked sport 124 rims), black kidney grill, white accessory lighting (including license and trunk lamps), Angel-eye upgrade, AIB xenon-matched fog lamps, AIB V3's on order, red rear reflectors
Originally Posted by Bimmer32' post='602369' date='Jun 13 2008, 09:43 PM
. . . and the real dyno result was . . . ? Somebody convince me it's not snake oil, please.
It's merely a device to allow more cool air into the intake vs stock. Power increases won't be dramatic. Get the $10K supercharger for more substantial gains (or the ECU remap)
However, the sound, reusability, look, and even feel of the unit made it a worthile upgrade for me and others. Your mileage may vary.
Contributors
Joined: Sep 2007
Posts: 1,712
Likes: 0
From: Encino, CA
My Ride: 04 545i - Titanium Silver/Black, Sport pkg, Comfort Seats w/ Lumbar, Premium Sound, power rear sunshade, Adaptive Xenon Headlights, Steptronic, Park Distance Control, Fold down rear seats w/ski bag, Aux jack, 6-disk changer, puddle lamps...
Engine: Custom Remus cat-back exhaust w/chrome square tips, K&N Air Filter, Charcoal Filter Removed, Sprint Booster :-), 50/50 mix of 91+100 Octane, EuroRev ECU Remap (coming soon lol), Dinan High-Flow Throttle Body (coming soon...maybe lol)
Interior: Portable Sirius Stilletto 100 w/car kit, Garmin Nuvi 680 mounted below rear-view mirror, LCI-style I-drive knob, Dark Poplar Center Dashboard Trim.
Exterior: E60 forum clings, 5% rear tint, ACS roof spoiler (painted black for distinct look against limo tint), ACS trunk spoiler, ACS add-on front spoiler and rear apron (awaiting installation), "18 Black Staggered BeBeS Style OER (emergency replacement for cracked sport 124 rims), black kidney grill, white accessory lighting (including license and trunk lamps), Angel-eye upgrade, AIB xenon-matched fog lamps, AIB V3's on order, red rear reflectors
Originally Posted by paneristi' post='602380' date='Jun 13 2008, 10:15 PM
in short, i was told the afe filter is exposed, not sealed/insulated, drawing in hot underhood air, not cold ducted air from the kidney grills
There is an intake duct directly in front of the filter cone. The unit has a physical wall and top to keep it compartmentalized. Cold air enters the duct and gets taken up by the cone. The wall seperates the compartment from the engine. When moving, there should be enough flow to keep things nice and cool vs the rest of the underhood area, allowing the engine to benefit from cool intake air.
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