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Carbon airbox/plenum by EVOLVE?MACMOTOREN

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  • Carbon airbox/plenum by EVOLVE?MACMOTOREN

    Thought i'd do a quick write up on this as i have been so impressed by it!!

    Having seen the Mac Motoren airbox/plenum on Jasons roadster, i was very impressed by the quality and design of it that i decided to get one myself.

    The item is very well made and only minor 'finishing' was needed during fitting. As far as fitting goes, it is a bit of a 'fiddly' job but would be much easier the second time round!

    One of the good features of this set up is that it retains the standard inlet trumpets which have been very carefully designed by BMW. The overall volume of the unit is also much bigger than the standard S50 unit and is much closer in size to the S54 oem unit.
    Another advantage is that the MAF sensor is not required if you run it in Alpha-n set up.

    Weight wise, the oem plenum is actually a cast alloy unit and when you take into account that and the rest of the airbox tubing and MAF housing, i would guesstimate the saving to be around 3-4kg's(not a lot but it all helps!).




    After the fitting was finished, the mapping could begin.
    Sal at Evolve has already mapped my car a couple of times after various upgrades have been as i have one of their 'uni-q' piggy back ecu's which allow you to remap the engine through the very good oem Siemens unit. The great thing about this set up is that you can tailor your map each time you change a component such as exhaust, cams etc rather than a generic map which can't.

    Also at this point, i must say a huge thanks to Sal for staying on till 10.30pm on a Fri night to complete the session(thts what i call customer service!).
    Sal also let me get involved in the actual mapping of the car allowing me to see just how thorough the process is and how many parameters can be adjusted and with such fine precision.
    At the end of the session we were both very impressed with the results considering we decided to finish with a 'safe' rather than 'ultimate bhp' map!!!
    Engine tuning wise my S50 has a Prospeed backbox and 100 cell cat system and the Uni-q piggy back ecu.
    The final graph shows how much improved the engine is and also for comparison a plot from an average(on this dyno they range from 290-300bhp) unmodified S50 MC.

    The real 'proof of the pudding' was in the driving, and it certainly didn't dissapoint!!!
    The car is now SO much stronger with power still building all the way to 7,600rpm that my planned 6 speed box and 3.91 diff plans have been shelved due to the car being so 'rapid' through the gears!
    Oh, and the sound it makes is very naughty

    Again, a huge thanks to all the guys from EVOLVE for such quality service and attention to detail!
    Last edited by chippy; 24-11-2008, 12:48 PM.
    Black S50

  • #2
    Just realised how 'pants the pics are, so heres one of Jasons airbox which shows it much better!
    Black S50

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    • #3
      very nice dude, need to get some sound/video clips done

      Comment


      • #4
        Thanks for the write up, Tony.

        I bet it goes well now. looks ace too!
        Out: 99 S50 Titan Silver V876 KKO
        In: 98 S50 Estoril.......

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        • #5
          Looks fantastic Tony, hope to see/hear it sometime soon.

          Paul

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          • #6
            looks awesome....

            what made you get the car mapped with a safe map?

            Cant wait till mine comes on now....

            Definitely need a sound clip...

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            • #7
              Originally posted by mcoupe mus View Post

              what made you get the car mapped with a safe map?
              When we were mapping the car it was responding to loads of timing(without pinking) at the top end and would/could have posted a higher outright bhp figure but both Evolve and myself wanted the best 'overall' map that remained safe, as far as engine reliability went.
              Black S50

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              • #8
                Tony, im more than happy to sort something out video wise when we meet up next

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                • #9
                  Originally posted by BEN View Post
                  Tony, im more than happy to sort something out video wise when we meet up next

                  That would be cool mate!

                  You'd better bring a lorry for all the bits you'll be taking!!
                  Black S50

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                  • #10
                    Originally posted by chippy View Post
                    That would be cool mate!

                    You'd better bring a lorry for all the bits you'll be taking!!
                    the diesel beast is back! ill give you a call dude!

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                    • #11
                      Tony,

                      That looks really NICE! More importantly, excellent performance gains.

                      Do you know the internal volumes of the CF airbox and the OEM plenum by way of comparison?
                      /// Exdos ///
                      "Men who try the impossible and fail spectacularly are infinitely superior to those who reach for nothing and succeed" --Napoleon Bonapart

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                      • #12
                        compliment to chippy and evolve for this nice work!
                        is really an great improve !
                        www.fastdrive.org
                        S50 black/black-red In Rome
                        Front BBK Stoptech Red+Eibach Sway Bars+Kw Clubsport Whit Camber plates+Weichers Strutbar+Agk Urethane front Silent Block & differential Bushing+Tuner Motorposrt Alluminium Rear Mount+Hamann Exaust

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                        • #13
                          Nice pics but the ones I took of Jasons hair dryer are much better :-)

                          We should have got some video when you were here but wouldn't have seen much at 10:30PM in the dark when the car was finished!

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                          • #14
                            dont worry imran, ill get something nice put together for you with some evolve logo's on it

                            Comment


                            • #15
                              Originally posted by maahny View Post

                              We should have got some video when you were here but wouldn't have seen much at 10:30PM in the dark when the car was finished!

                              Well you certainly wouldn't have seen much, seeing as you sneaked off at about 7pm!!

                              Don't worry about the pics Imran, they were done in the dark with my mobile phone but my brother is a pro photographer and will take some good high res pics when the light is a bit better and i'll mail them to you.

                              ps. i won't charge you for the logo artwork
                              Last edited by chippy; 24-11-2008, 10:13 PM.
                              Black S50

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