Quick question: Karbonius plenum install

MBan · 03-16-2024, 04:13 AM

Hi all,

Hoping for some quick advice. I've mostly finished my Karbonius CSL 'race' airbox install but there is a threaded hole that I don't know what to put in it. See the pictures. Help, please!

maupineda · 03-16-2024, 11:07 AM

Mine has a screw to plug it. But I assume it would be to mount a hose/cable holder. On the Z4M with the CSL intake there is no use for it.

MBan · 03-17-2024, 06:16 PM

Great, thanks - that’s what I ended up doing.

Z4M85 · 03-27-2024, 11:50 PM

On the CSL, there is a plastic holder that is bolted to the plenum and it holds the positive cable that goes from the starter up over the engine to the positive terminal. Since the Z4M does not have that, you just plug it with a bolt as the other person stated.

MBan · 04-04-2024, 11:51 PM

Quote:

Originally Posted by Z4M85

On the CSL, there is a plastic holder that is bolted to the plenum and it holds the positive cable that goes from the starter up over the engine to the positive terminal. Since the Z4M does not have that, you just plug it with a bolt as the other person stated.

Thanks for confirming

03-16-2024, 04:13 AM	#1
MBan First Lieutenant 166 Rep 359 Posts Drives: BMW Z4M Coupe Join Date: Jul 2014 Location: Perth, Western Australia iTrader: (0)	Quick question: Karbonius plenum install - what goes here? Hi all, Hoping for some quick advice. I've mostly finished my Karbonius CSL 'race' airbox install but there is a threaded hole that I don't know what to put in it. See the pictures. Help, please! Attached Images
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03-16-2024, 11:07 AM	#2
maupineda Captain 456 Rep 975 Posts Drives: E86 Z4MC Join Date: Jul 2012 Location: Detroit, MI iTrader: (3)	Mine has a screw to plug it. But I assume it would be to mount a hose/cable holder. On the Z4M with the CSL intake there is no use for it. Last edited by maupineda; 03-16-2024 at 11:23 AM..
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03-17-2024, 06:16 PM	#3
MBan First Lieutenant 166 Rep 359 Posts Drives: BMW Z4M Coupe Join Date: Jul 2014 Location: Perth, Western Australia iTrader: (0)	Great, thanks - that’s what I ended up doing.
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03-27-2024, 11:50 PM	#4
Z4M85 Private First Class 22 Rep 157 Posts Drives: M3 Join Date: May 2013 Location: SF iTrader: (2)	On the CSL, there is a plastic holder that is bolted to the plenum and it holds the positive cable that goes from the starter up over the engine to the positive terminal. Since the Z4M does not have that, you just plug it with a bolt as the other person stated.
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