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Thread: Pressure Accumulator?

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  1. 01-22-2007, 05:55 PM #1
    colamangr
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    Default Pressure Accumulator?

    Hello Guys!

    I wonder what is this thing for? What if i discard it?
    http://www.realoem.com/bmw/showparts...13&fg=20&hl=20
    M50 POWER
    BUT S38B38 RULES
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  2. 01-22-2007, 06:48 PM #2
    Kalevera
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    Remember that a lot of research went into that intake design, and the majority of people who muck around with it succeed in getting more noise, less power, and more junk in the crankcase of a motor that is known for lunching bearings.
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  3. 01-22-2007, 07:12 PM #3
    BillionPa
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    where does it go and what does it do?
    Alusil, Dinan DME | ITG Air Filter | Eibach/Bilstein HD | 26/20 Swaybars | Iridium plugs | Depo/ProLumen HID | Optima batt. | no AC | Stoptech brake lines, Frozen rotors, brass bushings, Superblue
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  4. 01-23-2007, 12:22 AM #4
    Anthony (M5 in Calgary)
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    Quote Originally Posted by BillionPa
    where does it go and what does it do?
    Helmholtz resonator - designed to absorb harmonics at a specific frequency. Quiets the intake without affecting flow.
    Anthony
    03/64 production

    '91M5 - 11/90, was mine, it's Jim's now.
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  5. 01-23-2007, 12:01 AM #5
    632 Regal's Avatar
    632 Regal
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    looks like some sort of ram air setup to direct pressurized air (at speed) into the air box. Looks cool to me...
    95 E34 530I V2.37
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    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy
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  6. 01-23-2007, 12:24 AM #6
    BillionPa
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    so i guess that answers his question, discarding = louder intake with no loss of flow.
    Alusil, Dinan DME | ITG Air Filter | Eibach/Bilstein HD | 26/20 Swaybars | Iridium plugs | Depo/ProLumen HID | Optima batt. | no AC | Stoptech brake lines, Frozen rotors, brass bushings, Superblue
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  7. 01-23-2007, 02:31 PM #7
    colamangr
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    I removed it today and i didn't noticed any power loss! But the sound is great!!!
    M50 POWER
    BUT S38B38 RULES
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  8. 01-23-2007, 02:42 PM #8
    colo525i
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    2.5L subarus have the same thing, 2 of them actually. Those intakes are LOUD with that stuff blocked off.
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  9. 01-23-2007, 02:58 PM #9
    Ross
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    Like flipping the air cleaner lid over on Dad's Buick,in the old days.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"
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  10. 01-23-2007, 06:29 PM #10
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    632 Regal
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    make sure the hood dont leak in the rain or it causes hydrolock...lol

    Quote Originally Posted by Ross
    Like flipping the air cleaner lid over on Dad's Buick,in the old days.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy
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