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    #16
    I've had an Eventuri since it came out with Evolve tune, definitely better noise than stock and a few extra HP and torque. Certainly smoother power delivery with Evolve tune. Nice thing is its easy to revert back to stock, especially in CA.

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      #17
      Let's simplify.

      Get karbonius or don't even bother.
      DD: /// 2011.5 Jerez/bamboo E90 M3 · DCT · Slicktop · Instagram
      /// 2004 Silvergrey M3 · Coupe · 6spd · Slicktop · zero options
      More info: https://nam3forum.com/forums/forum/m...os-supersprint

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        #18
        Originally posted by Tbonem3 View Post
        Let's simplify.

        Get karbonius or don't even bother.
        😮 😄
        I'm as confused as you are.
        M3BC, #18
        Club 6MT
        2006 M3
        2016 991.1 Targa GTS
        2024 Merc GLE 450e (DD)

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          #19
          Originally posted by elrichmeister View Post

          There is 1 more option:
          OEM Carbon Box from Karbonius
          BMW E46 OEM STYLE AIRBOX, CSL Airbox is one of the most demanded improvements among BMW M3 E46 enthusiastic. That is both for performance gain, and for sound it brings to car. On the other hand, it is a laborious, time-consuming and expensive modification. For those who are looking for similar sound to CSL airbox but do not look for HP gain, we have developed the Karbonius OEM Style S54 airbox. It is a simplified version of CSL airbox, that, apart from louder sound to engine (+12 dB compared to plastic OEM) gives awesome appearance and easy installation using stock elbow and MAF. No needed to install any additional hardware or remap. *In SMG version, genuine BMW CSL SMG expansion tank needed. Regarding power increase, we got +4HP in recent dyno test comparing with OEM airbox. Not really significant considering that dyno can have a 2% margin error. In conclusion, and pending new test in future, we can say no significant power increase and no HP loss. As usual, piece manufactured 100% in carbon fiber prepreg, cured in autoclave in our facilities in Spain (EU) under strict quality requirement and for qualified stuff. Kit Includes: • Airbox • CNC machine-made items of anodized aluminium • Stainless-steel screws • Certificate of authenticity Characteristics: • Similar sound to CSL airbox • No remap needed • 100% Carbon Prepreg • Cured in autoclave • High gloss UV protection varnish • Perfect fit. No adjustment required • 2 years guarantee Fitment: • BMW E46 M3 • BMW E85/E86 Z4M


          Get some of the carbon box sound without needing to tune or modify DME.
          True, I forgot about that. I feel like that plus an Eventuri is about as good as you can get without doing the air box and tune. But is it worth it at such a close price point?
          http://www.natehasslerphoto.com
          '99 M3, Hellrot/Sand Beige, slicktop
          '01 M3, Imola/black

          Comment


            #20
            Originally posted by Nate047 View Post

            True, I forgot about that. I feel like that plus an Eventuri is about as good as you can get without doing the air box and tune. But is it worth it at such a close price point?
            No denying that. Its an alternative for ease of passing smog inspection computer, however it will fail visual .
            2004 M3 6MT |Eventuri Intake|
            2006 325Ci SULEV |ZF 5MT Swap | Koni Yellows | H&R | 330i Brakes | Magnaflow Catback | AFE | APEX ARC-8 18x9 |​

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              #21
              Thanks for all of your input guys, I really appreciate it.

              I am either going all in with a complete Karbonius CSL replica set up or something simple like the Eventuri.

              The cost is obviously a lot more going with the Karbonius, but you get what you pay for.

              Btw, my wife thinks I am crazy putting money into a 22 year old car!!

              Comment


                #22
                Originally posted by MathewM3 View Post
                Btw, my wife thinks I am crazy putting money into a 22 year old car!!
                We're all mad here
                2002 TiAg M3 Coupe (SMG to 6spd), 2003 Jet Black M5

                https://www.instagram.com/individual_throttle_buddies/

                Comment


                  #23
                  Originally posted by elrichmeister View Post

                  There is 1 more option:
                  OEM Carbon Box from Karbonius
                  BMW E46 OEM STYLE AIRBOX, CSL Airbox is one of the most demanded improvements among BMW M3 E46 enthusiastic. That is both for performance gain, and for sound it brings to car. On the other hand, it is a laborious, time-consuming and expensive modification. For those who are looking for similar sound to CSL airbox but do not look for HP gain, we have developed the Karbonius OEM Style S54 airbox. It is a simplified version of CSL airbox, that, apart from louder sound to engine (+12 dB compared to plastic OEM) gives awesome appearance and easy installation using stock elbow and MAF. No needed to install any additional hardware or remap. *In SMG version, genuine BMW CSL SMG expansion tank needed. Regarding power increase, we got +4HP in recent dyno test comparing with OEM airbox. Not really significant considering that dyno can have a 2% margin error. In conclusion, and pending new test in future, we can say no significant power increase and no HP loss. As usual, piece manufactured 100% in carbon fiber prepreg, cured in autoclave in our facilities in Spain (EU) under strict quality requirement and for qualified stuff. Kit Includes: • Airbox • CNC machine-made items of anodized aluminium • Stainless-steel screws • Certificate of authenticity Characteristics: • Similar sound to CSL airbox • No remap needed • 100% Carbon Prepreg • Cured in autoclave • High gloss UV protection varnish • Perfect fit. No adjustment required • 2 years guarantee Fitment: • BMW E46 M3 • BMW E85/E86 Z4M


                  Get some of the carbon box sound without needing to tune or modify DME.
                  Whoa first time I’ve seen this. Anybody installed one of these or does Karbonius have any sound/video clips?

                  Comment


                    #24
                    Originally posted by simon_c View Post

                    Whoa first time I've seen this. Anybody installed one of these or does Karbonius have any sound/video clips?
                    Hey guys and gals, Just bringing to your attention that a Z4 Forum member recently approached Karbonius to see if they were interested in producing a carbon fibre airbox version of the stock S54 plenum. In response, Karbonius mentioned that if they had interest of 20 or more orders they would consider developing one. The



                    Sent from my iPhone using Tapatalk
                    2005 ///M3 SMG Coupe Silbergrau Metallic/CSL bucket seats/CSL airbox/CSL console/6 point RACP brace/Apex ARC-8s
                    Build Thread:
                    https://nam3forum.com/forums/forum/m...e46-m3-journal

                    Comment


                      #25
                      karter16 Thanks for that and not sure how I missed that thread. This is looking like a really interesting option

                      Comment


                        #26
                        Originally posted by MathewM3 View Post
                        T
                        Btw, my wife thinks I am crazy putting money into a 22 year old car!!

                        Most hobby's cost money

                        You need a MSS54HP computer as well !

                        Comment


                          #27
                          Originally posted by simon_c View Post

                          Whoa first time I’ve seen this. Anybody installed one of these or does Karbonius have any sound/video clips?
                          I have this paired with an Eventuri. Is a nice setup, but as much as I defended in the beginning, is far from the CSL sound. It does improve from just an Eventuri, the tone is a bit deeper and has the CSL warble but tamed.

                          i have in fact gone back and forth between Eventuri and OE filter as the Eventuri overrides the notes from the carbon plenum. With the OE filter the noise it more similar to the CSL but much lower in volume.

                          at some point I even had a sound generator as my thinking was that the three combine would be the ultimate combo, and is nice, but the sound is more synthetic. If you search here I posted videos.

                          Comment


                            #28
                            Originally posted by MathewM3 View Post
                            Btw, my wife thinks I am crazy putting money into a 22 year old car!!
                            My wife seems to be okay with it - I think she's possibly realised that its only ever guys that it attracts 😂
                            2005 ///M3 SMG Coupe Silbergrau Metallic/CSL bucket seats/CSL airbox/CSL console/6 point RACP brace/Apex ARC-8s
                            Build Thread:
                            https://nam3forum.com/forums/forum/m...e46-m3-journal

                            Comment


                              #29
                              Wives should be so lucky as to have husbands that only tinker on old cars and not spending money on all sorts of other things.
                              DD: /// 2011.5 Jerez/bamboo E90 M3 · DCT · Slicktop · Instagram
                              /// 2004 Silvergrey M3 · Coupe · 6spd · Slicktop · zero options
                              More info: https://nam3forum.com/forums/forum/m...os-supersprint

                              Comment


                                #30
                                No Karb?




                                Sent from my iPhone using Tapatalk

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