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  1. #1
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    2 out of 2 members liked this post. Yes Reputation No

    BMS Downpipes installed

    Started off my day counting down to having my downpipe put in, was so anxious that I could not even concentrate at work. Finally reached BOSS Motorsports(exclusive dealer for BMS Singapore) and Nic showed me this beautifully hand crafted downpipe with hardly any welds in the centre whatsoever unlike other brands, just one nice big piece( which I did give a big hug). I think the pictures attached do a lot of justice.
    It took them not more than 3 hours to have it fitted. Drop the exhaust, let the car cool down and than had it put in. All in just 3 hours, no cutting welding whatsoever nonsense, just a direct bolt on.
    Started up the car and when I stepped on the throttle, the over run sounded just beautiful, to me it is music to my ears especially the over run when it goes pop pop pop!, who needs fireworks!.
    Performance wise,it's pretty close to the feeling of doing the juice box piggybag so you can imagine the smile on my face once again. Click here to enlargeClick here to enlargeClick here to enlarge
    The pull feels much stronger from 2500 revs upwards all the way to redline, especially mid range power from around 3500 revs is greatly improved, very strong pull. One can EASILY feel the power gains. The exhaust sounds a little louder but in a better manner, more macho. You can also hear the whistling sound from the turbo spooling up. Temps had also dropped slightly after flooring it. No check engine lights whatsoever. Overall it is a must do for any 640/650(N54/N55) owner. Not only does it have all these plus points, it also lengthens turbo live. The stock downpipe is so restrictive and at least a few kilos heavier.
    I have also attached two photos of the stock downpipe(1st photo) and how restrictive it is in the last photo.

    Verdict: Downpipe with JB3 combo is a must do for you car, the car feel so much more alive, free breathing and powerful. If I were to see a 650i next to me and he would want to go at it, I will not hesitate at all, I will go at it with full confidence! The JB3 makes the car so much more alive and with the downpipes, it is alive and kicking!

    Thank you Burger Motorsports, Thank you Boss Motorsports Singapore.





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    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

  2. #2
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    solid piece of work, enjoy it!
    Click here to enlarge

  3. #3
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    Thank you
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

  4. #4
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    Edited OP to insert images inline so they resize.
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    what about the Check engine light? IS there a DP fix for the N55 yet?

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    Click here to enlarge Originally Posted by turkish335 Click here to enlarge
    what about the Check engine light? IS there a DP fix for the N55 yet?
    merhaba

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    Click here to enlarge Originally Posted by bmwtek Click here to enlarge
    merhaba
    lol naaber?

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    no check check engine lights and my car is N55.
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

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    whats the meaning of merhaba?
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

  10. #10
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    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    whats the meaning of merhaba?
    No idea.

    @Terry@BMS
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  11. #11
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    No idea.

    @Terry@BMS
    Its a greeting in the Turkish language.

  12. #12
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    Im not a terrorist.

  13. #13
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    Click here to enlarge Originally Posted by bmwtek Click here to enlarge
    Its a greeting in the Turkish language.
    LOL, I was way off.
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    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    no check check engine lights and my car is N55.
    so you dont have a check engine light with catless downpipe? what tune are you running? if you are not running some kind of fix for the downpipe it will eventually trigger a light....

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    Click here to enlarge Originally Posted by turkish335 Click here to enlarge
    so you dont have a check engine light with catless downpipe? what tune are you running? if you are not running some kind of fix for the downpipe it will eventually trigger a light....
    No check lights, already done over a 1000 miles with it. I have the juicebox3 stage 1. Another F13 also had it on but his car had not tune. No check light whatsoever. It's the best mod other than the tune to date that I have done.
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

  16. #16
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    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    No check lights, already done over a 1000 miles with it. I have the juicebox3 stage 1. Another F13 also had it on but his car had not tune. No check light whatsoever. It's the best mod other than the tune to date that I have done.
    cool!

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    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    No check lights, already done over a 1000 miles with it. I have the juicebox3 stage 1. Another F13 also had it on but his car had not tune. No check light whatsoever. It's the best mod other than the tune to date that I have done.
    Have you dynoed your car after the change? What was the increase in power and torque after that? I have the JB 3 Stage 1 on my x35i X5 and is making just over 300WHP with the stock exhaust. Saw on BMS's site that it fits the X5 x35 as well.

    The fact that it triggers no check light is a plus here.

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    Click here to enlarge Originally Posted by Dixchen Click here to enlarge
    Have you dynoed your car after the change? What was the increase in power and torque after that? I have the JB 3 Stage 1 on my x35i X5 and is making just over 300WHP with the stock exhaust. Saw on BMS's site that it fits the X5 x35 as well.

    The fact that it triggers no check light is a plus here.
    Quite a few guys with the N55 engine did dyno their cars stock and only got 270-280hp stock, reason being becuase BMW like other makes inflate their figures and also our weather is very warm. With the downpipes, juicebox piggyback, filters and exhaust, I got close to 340hp and 530nm of torque. Another M3 did dyno also at 370hp only. Car runs like a champ and no check lights at all.
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    Quite a few guys with the N55 engine did dyno their cars stock and only got 270-280hp stock, reason being becuase BMW like other makes inflate their figures and also our weather is very warm. With the downpipes, juicebox piggyback, filters and exhaust, I got close to 340hp and 530nm of torque. Another M3 did dyno also at 370hp only. Car runs like a champ and no check lights at all.
    That's awesome man, looking forward to having the down pipe fitted as soon as I get it off bms!

    Thanks mate, car must be driving awesome now!!

  20. #20
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    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    Quite a few guys with the N55 engine did dyno their cars stock and only got 270-280hp stock, reason being becuase BMW like other makes inflate their figures and also our weather is very warm. With the downpipes, juicebox piggyback, filters and exhaust, I got close to 340hp and 530nm of torque. Another M3 did dyno also at 370hp only. Car runs like a champ and no check lights at all.
    The N55 isn't overrated, it's underrated just like the N54.
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  21. #21
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    The N55 isn't overrated, it's underrated just like the N54.
    Sorry, my typo error
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

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    Click here to enlarge Originally Posted by Dixchen Click here to enlarge
    That's awesome man, looking forward to having the down pipe fitted as soon as I get it off bms!

    Thanks mate, car must be driving awesome now!!
    Yes, trust me it is
    2012 BMW 640i (AC Schnitzer Package)
    2011 Mercedes E250
    2007 Ford Mondeo

    "Age is but a statistic that has no relevance to enjoyment of horsepower"

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    Click here to enlarge Originally Posted by SAMLAMBO Click here to enlarge
    Sorry, my typo error
    No worries, great motors.
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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    The N55 isn't overrated, it's underrated just like the N54.
    I guess he didn't take into account the drive train loss on dynos. 270 to 280 is pretty spot on that's what I got on my car stock. With the jb3 stage 1 it was just over 300. Let's see what the down pipe and more.boost will net.
    Great engines!!!

  25. #25
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    Click here to enlarge Originally Posted by Dixchen Click here to enlarge
    I guess he didn't take into account the drive train loss on dynos. 270 to 280 is pretty spot on that's what I got on my car stock. With the jb3 stage 1 it was just over 300. Let's see what the down pipe and more.boost will net.
    Great engines!!!
    270-280 actually puts them as underrated, yep.
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