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      05-08-2012, 09:56 AM   #9
Lieutenant Colonel

Drives: 2009 E90 N54
Join Date: Jul 2009
Location: Jackson, MS

Posts: 1,546
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Clamp over the grooves so that the silicone under the clamp will bite into them a little. The hairspray trick also works wonders.

What about a turn of friction tape or silicone hose repair tape on the throttle body? The adhesive will keep it in place and the coupler will have a much harder time slipping off.