hello im new n love my new bmw

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  1. hello im new n love my new bmw 
    #1
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    jamesbmw330d's Car Details
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    i have just brought a 2001 330d e46 auto, didn't think i would like the auto, but its amazing and faster than i expected, i did have a saxo vtr,lol. so bit of an up grade
     
     

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    #2
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    steve23002's Car Details
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    Welcome to the forum.....
     
     

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    #3
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    clearhope36's Car Details
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    great motors ,, love putting my foot down and feeling the boost kick in
     
     

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    #4
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    jamesbmw330d's Car Details
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    yer i no its great
     
     

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    have you had the swirl flaps removed ?
     
     

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    Deano16v's Car Details
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    hello fella many welcomes
     
     

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    #7
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    jamesbmw330d's Car Details
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    what are swirl flaps
     
     

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    #8
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    clearhope36's Car Details
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    What are swirl flaps?
    Swirl flaps are designed to create swirl or tumble of the air to aid better combustion under light load where soot levels tend to be dominant because of the lack of air, they are also there to help with driveability in low load conditions, they are controlled by a vacuum or solenoid actuator and are closed during light-load operations such as when idling at traffic lights, changing gear and deceleration to maximise combustion efficiency, fuel economy and emissions performance. The flaps are fully open during higher load conditions to maximise volumetric efficiency and power output.

    The swirl flaps are a poor design, they are prone to failure. When the swirl flap breaks, the debris falls into the engine, either sticking in the valve port and jamming it open, causing the piston to collide with the valve, or falls into the cylinder itself causing the piston and head to become damaged.

    What is the solution?

    BMW introduced an updated manifold in 2004 to address this problem, the spindle of the valve is thicker and stronger, this design is also prone to failure, another option is to purchase a new manifold and install it, however you will still havethe potential for the same problem to occur.
    The easiest and cheapest solution is to use our custom manufactured blanking plates, the blanks will fit in place of the current mechanism, there is no modification required!

    The car will function the same without the flaps, the flaps are there for emissions purposes, however the car will remain within guidelines and you will not notice a performance change! type in swirl flaps and read the horror stories, ive taken mine out before they could be sucked into my engine.
     
     

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    #9
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    jamesbmw330d's Car Details
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    how much will this cost, can i do it my self
     
     

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    #10
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    clearhope36's Car Details
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    the manifold needs to come off and the swirl flaps need to be removed, you then have to blank the hole off , i suggest you read up on the procedure and possible outcome, i took mine to the garage to be done and made my own blanking plates at work, luckily i work at a precision engineering company, all i know is the auto 330d do have them and they do break and f~~k your engine up
     
     

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