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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Sep-28-2018, 05:56:32 PM   #21
TheGenius46M
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Default Re: Aftermarket Plenum Clamps

It won't cut the boot unless you over tighten the hell out of it. Even then, that's more force than you're ever going to be able to put on. The ITB thickness will stop it. I use an electric ratchet on mine and never had an issue, but I pulsate it at the end so I never have issues. Never once had it cut the boot, even on the original boots before I went CSL manifold. I had the boots deform from too wide of clamps but that's a different issue.
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Old Fri, Sep-28-2018, 07:16:03 PM   #22
terraphantm
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Default Re: Aftermarket Plenum Clamps

Honestly once you get used to it, removing and reinstalling the factory clamps is much quicker. Why not just keep those?
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Old Sat, Sep-29-2018, 02:58:10 AM   #23
GeorgeH
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Default Re: Aftermarket Plenum Clamps

I'm honestly surprised at how much push back I am getting on this idea.

Yes, I have removed these clamps hundreds of times over the years, they are not that hard, but they can be tricky especially when the engine is hot, you are tired and are rushed. This is a customers race car and if he needs to service the engine at the track and doesn't want to have to deal with factory clamps should I just tell him, to practice first?

And I realize this may be considered over the top, but I subscribe to the idea that if there is a reasonable and better solution available why not use it?
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Old Sat, Sep-29-2018, 03:20:04 AM   #24
icecream
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Default Re: Aftermarket Plenum Clamps

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Originally Posted by GeorgeH View Post
I'm honestly surprised at how much push back I am getting on this idea.

Yes, I have removed these clamps hundreds of times over the years, they are not that hard, but they can be tricky especially when the engine is hot, you are tired and are rushed. This is a customers race car and if he needs to service the engine at the track and doesn't want to have to deal with factory clamps should I just tell him, to practice first?

And I realize this may be considered over the top, but I subscribe to the idea that if there is a reasonable and better solution available why not use it?
They are the best solution, keep the bay looking neat amd have the perfect amount of tension.
That said, I understand why you want something else. Like you said, when you are rushed, hands already tired and just want to get it back together, they are not the best which is why I did not reuse them.
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Old Sat, Sep-29-2018, 03:27:05 AM   #25
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Default Re: Aftermarket Plenum Clamps

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Originally Posted by icecream View Post
They are the best solution, keep the bay looking neat amd have the perfect amount of tension.
That said, I understand why you want something else. Like you said, when you are rushed, hands already tired and just want to get it back together, they are not the best which is why I did not reuse them.
*I mean better solution to the worm clamps option.
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Old Sat, Sep-29-2018, 05:36:06 AM   #26
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Default Re: Aftermarket Plenum Clamps

I get, and agree, on the original Oetiker clamps not being ideal. I’d rather use zip ties than those.

The OEM style worm gear Norma clamps are lighter and have smaller worm gears. Keep this in mind.

The ones you you are after, Zebra, I have right here in front of me. They came supplied with an ESS charger plenum. The worm gear is much larger and the metal band is thicker to make up for the gear creation depth on the band.

There’s another clamp I just found on a Vortech air filter. They are made by IDEAL-TRIDON. It looks like the normal auto parts store clamp but uses an extended part of the band to protect your part from the worm gear holes in the band.

Pics incoming.

Last edited by Braymond141; Sat, Sep-29-2018 at 05:56:04 AM.
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Old Sat, Sep-29-2018, 08:42:36 AM   #27
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Default Re: Aftermarket Plenum Clamps

I wonder how well the zip ties I currently have on the tbs will hold up, Im hoping really well because damn it was quick and easy


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Old Sun, Sep-30-2018, 12:41:44 AM   #28
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Old Sun, Sep-30-2018, 04:11:38 AM   #29
terraphantm
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Default Re: Aftermarket Plenum Clamps

Quote:
Originally Posted by GeorgeH View Post
I'm honestly surprised at how much push back I am getting on this idea.

Yes, I have removed these clamps hundreds of times over the years, they are not that hard, but they can be tricky especially when the engine is hot, you are tired and are rushed. This is a customers race car and if he needs to service the engine at the track and doesn't want to have to deal with factory clamps should I just tell him, to practice first?

And I realize this may be considered over the top, but I subscribe to the idea that if there is a reasonable and better solution available why not use it?
You never once stated it's for a customer car until this post.

As far as being a better solution to the factory clamps, I disagree. You can remove all 6 in less time than it takes to turn the screw on a single worm clamp. You also will never have to worry about accidentally positioning them wrong and binding on the throttle linkage (which IMO would be a pretty easy mistake to make while tired).

In that situation of a customer, I would still make my recommendation, and if they still wants to go with the shittier solution, that's on them.
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Old Sun, Sep-30-2018, 04:46:13 AM   #30
GeorgeH
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Default Re: Aftermarket Plenum Clamps

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Originally Posted by Braymond141 View Post


Thank you for the additional photos. I'll order some of them and take a look.


Quote:
Originally Posted by terraphantm View Post
You never once stated it's for a customer car until this post.

As far as being a better solution to the factory clamps, I disagree. You can remove all 6 in less time than it takes to turn the screw on a single worm clamp. You also will never have to worry about accidentally positioning them wrong and binding on the throttle linkage (which IMO would be a pretty easy mistake to make while tired).

In that situation of a customer, I would still make my recommendation, and if they still wants to go with the shittier solution, that's on them.
With all due respect I simply asked for helping in sourcing a specific clamp.
If you think I am making the wrong decision that's fine, your opinion is duly noted.
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Discussing Aftermarket Plenum Clamps in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)