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Karbonius CF reproduction of standard S54 plenum **PROTOTYPE VIDEO**

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Matt.13
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Karbonius CF reproduction of standard S54 plenum **NOW WITH PROTOTYPE PICTURES**

Post by Matt.13 » Tue Jul 12, 2022 11:27 am

Makes sense. They only have to make one smaller mould this way. Lets hope it makes a good amount on noise.
Thanks for the updates
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Karbonius CF reproduction of standard S54 plenum **NOW WITH PROTOTYPE PICTURES**

Post by Beedub » Tue Jul 12, 2022 8:04 pm

i love to see new parts for the s54! well done to all involved!
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Karbonius CF reproduction of standard S54 plenum **NOW WITH PROTOTYPE PICTURES**

Post by philipw » Thu Jul 14, 2022 8:29 pm

Please remove me from the list as unfortunately my car is now sold. Best of luck with the project, disappointed that i wont be able to enjoy the result and hope it works out!
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///MBan
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Karbonius CF reproduction of standard S54 plenum **NOW WITH PROTOTYPE PICTURES**

Post by ///MBan » Thu Jul 14, 2022 10:46 pm

philipw wrote: Thu Jul 14, 2022 8:29 pm Please remove me from the list as unfortunately my car is now sold. Best of luck with the project, disappointed that i wont be able to enjoy the result and hope it works out!
No worries - sad to hear you sold the car, though.

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Karbonius CF reproduction of standard S54 plenum **NOW WITH PROTOTYPE PICTURES**

Post by ///MBan » Sat Jul 16, 2022 3:19 am

The prototype is now finished and Karbonius have provided new pictures. Fitment and sound to be tested next week.
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Matt.13
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by Matt.13 » Sat Jul 16, 2022 7:48 am

Looks great.
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by grannyknot » Sat Jul 16, 2022 11:05 am

///MBan wrote: Sat Jul 16, 2022 3:19 am The prototype is now finished and Karbonius have provided new pictures. Fitment and sound to be tested next week.
That intake elbow is for the M3, wondering if the test fitting will be done on a Z4 or not.
Can you ask them if the the box will be available without the Karbonius graphics on top?
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NLW73
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by NLW73 » Sat Jul 16, 2022 6:24 pm

looks great. work of art that. how is it going to help over the OEM one?

more noise on the intake? does it have larger volume?

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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by maupineda » Sat Jul 16, 2022 7:29 pm

grannyknot wrote: Sat Jul 16, 2022 11:05 am
///MBan wrote: Sat Jul 16, 2022 3:19 am The prototype is now finished and Karbonius have provided new pictures. Fitment and sound to be tested next week.
That intake elbow is for the M3, wondering if the test fitting will be done on a Z4 or not.
Can you ask them if the the box will be available without the Karbonius graphics on top?
The elbow is the same geometry going onto the box between M3/Z4M, the difference on the Z4M is that it has the booster jet suction pump plug on the elbow itself and a blanking plug where the M3 connection is made to the box, as long as you reuse the Z4M items, is all the same (P&P). So you just need to reuse the elbow and take the blanking plug off your box and transfer it to the Karb. It should bolt right on, also Z4M has more space between the box and the strut tower than the M3.

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grannyknot
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by grannyknot » Sat Jul 16, 2022 10:57 pm

I'm pretty sure the M3 elbow comes out at a wider angle, here's a pic off my car, the elbow is close to 90 degrees.
I'm just thinking that Karbonius may not have access to a Z4M and might just assume they are the same, would hate to see the hornets nest that would happen if they don't fit a Z4.
z4m elbow.JPG
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///MBan
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by ///MBan » Sat Jul 16, 2022 11:05 pm

grannyknot wrote: Sat Jul 16, 2022 10:57 pm I'm pretty sure the M3 elbow comes out at a wider angle, here's a pic off my car, the elbow is close to 90 degrees.
I'm just thinking that Karbonius may not have access to a Z4M and might just assume they are the same, would hate to see the hornets nest that would happen if they don't fit a Z4.
z4m elbow.JPG 3DAADEF6-E0EC-4967-A7E8-5C793A1754A1.jpeg
That's a really good point - I'll check. Although, if the plenum is the same between cars, the Z4 elbow should take care of Z4-specific fitment from the plenum to the airbox?

Anyway, worth checking.

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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by Wassup » Sun Jul 17, 2022 1:01 pm

This looks like a work of art :D

According to the go to source of realoem.com, the plenum chamber aka Air collector is the same across the E46 M3, E36/8 Z3M and our Z4M as they share the same part number 11617835819, so maybe it'll work :driving:
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by john-e89 » Sun Jul 17, 2022 4:31 pm

Tempted.......
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by Wassup » Mon Jul 18, 2022 1:53 am

Me too now that I've finally caught up on the thread, hoping the sound testing comes up trumps...
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Karbonius CF reproduction of standard S54 plenum **NEW PROTOTYPE PICTURES**

Post by ///MBan » Mon Jul 18, 2022 10:47 pm

///MBan wrote: Sat Jul 16, 2022 11:05 pm
grannyknot wrote: Sat Jul 16, 2022 10:57 pm I'm pretty sure the M3 elbow comes out at a wider angle, here's a pic off my car, the elbow is close to 90 degrees.
I'm just thinking that Karbonius may not have access to a Z4M and might just assume they are the same, would hate to see the hornets nest that would happen if they don't fit a Z4.
z4m elbow.JPG 3DAADEF6-E0EC-4967-A7E8-5C793A1754A1.jpeg
That's a really good point - I'll check. Although, if the plenum is the same between cars, the Z4 elbow should take care of Z4-specific fitment from the plenum to the airbox?

Anyway, worth checking.
I asked Karbonius and they advised they will be testing on an M3 but that because the plenum lines up exactly (hopefully, testing pending) with all the standard plenum fixings, adding the Z4M elbow should then connect to all the Z4M parts upstream. They didn't seem concerned.

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