Author Topic: ONE-TIME HOSE CLAMPS - 93K75S  (Read 3526 times)

Offline GasStation

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  • 93 K75S Mystic Red
ONE-TIME HOSE CLAMPS - 93K75S
« on: August 24, 2012, 09:56:22 AM »
I want to check the vacuum integrity of my cooling system water hose from the filler cap to the expansion tank. The water hose linking the coolant filler cap assembly (BMW calls it the container) with the expansion tank (the reservoir behind your right leg) is secured via one-time hose 10mm - 12.3mm clamps crimped by a special tool. The tool costs $35 in Canada.

Are one-time hose clamps preferred for small hose diameters? The hose clamp connection from the fuel tank to the fuel injection pipe is only 13mm and it is of the worm drive type on my bike. Maybe one-time hose connectors are less practical for connections requiring regular removal for scheduled maintenance as in the case of the fuel tank?

So, why does BMW use one-time hose clamps versus worm drive type reuseable clamps on certain connections and not on others?

Can I replace these with worm drive type clamps?
93 K75S Mystic Red
IBA #9469

Offline mystic red

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Re: ONE-TIME HOSE CLAMPS - 93K75S
« Reply #1 on: August 24, 2012, 10:48:32 AM »
Yes you may.

Offline Scott_

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Re: ONE-TIME HOSE CLAMPS - 93K75S
« Reply #2 on: August 24, 2012, 06:14:05 PM »
BTW, regular worm type clamps are not the preferred clamp for fuel injection hose connections.
There are screw mechanical clamps on the market for the higher pressure of the F.I. systems that the "old" worm type clamps aren't designed for.
F.I. clamp on left, standard clamp on the right.
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