2002 e46 318ti - Pulley upgrades 5 - 11bhp increase?

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  1. 2002 e46 318ti - Pulley upgrades 5 - 11bhp increase? 
    #1
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    pallarisari's Car Details
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    snippet from the website:
    Victory Product Design's BMW E36 3 Series Underdrive Pulleys are simple in operation and work by reducing the rpm’s on the belt driven engine accessories. With spirited driving, your BMW's accessories are often overdriven, meaning they are being driven with more power than they actually need to operate at their highest efficiency. By driving these accessories slower, hence the term underdrive, more horsepower is directed to drive the wheels, instead of being wasted on BMW accessories which are already running at peak operating efficiency at speed.

    While there might be slight variations in power increases from vehicle to vehicle, you will notice that the engine revs up quicker and is more responsive. Typical power gains range from 5-11 hp at the wheels.

    The Victory Product Design E46 non-M3 3 series Underdrive Pulley Kit includes the following:

    Underdrive Power Steering Pulley

    Underdrive Water Pump Pulley

    Properly sized Replacement Drive Belt
    Easy to follow instructions
    Limited Lifetime Manufacturer's Warranty


    http://www.koperformance.com/BMW/eng...ve_pulleys.htm


    worthwhile investment or fad?
     
     

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    How much are they asking?

    IMHO I wouldn't expect more than a real-world 1-2 bhp from that sort of mod.
     
     

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    #3
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    i can only get us prices, it seems like $200 so around £130 in the current climate.
     
     

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    Quote Originally Posted by mikaveli View Post
    How much are they asking?

    IMHO I wouldn't expect more than a real-world 1-2 bhp from that sort of mod.

    That's what I would have thought as well.

    Ian
     
     

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    sounds a bit gimmicky to me and they look a bit "cheap" to be honest.
     
     

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    #6
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    Quote Originally Posted by Deano16v View Post
    sounds a bit gimmicky to me and they look a bit "cheap" to be honest.
    Yeah, these people live in dream world who say this will do this, and make ur car faster etc etc.
     
     

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    Add that to your fuel line magnet, tuning box, multi-tipped plugs and hey presto, easy 300bhp.
    2013, Porsche 911 Carrera 4S, PDK, Sports Exhaust, Chrono, etc, etc

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    dont forget the electric supercharger too
     
     

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    mark@vorny.co.uk (17-11-2009)

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    #9
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    lol, point taken, i was just advised that this kidna mod worked well on super charged minis so wondered if it had the same effect on a e46.. wont waste money
     
     

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    adjustable pulleys (verniers etc) then yes they will help alter the timing etc but those dont look like they'd achieve much to be honest
     
     

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