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      12-11-2012, 10:34 AM   #16
Jon D
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Drives: F12 640i
Join Date: Sep 2009
Location: Scotland

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I'm with the mandraulic contingent here and wouldn't dream of using an air impact wrench on alloys.
I slacken and spin off/on with a spider, then tighten slowly with a torque wrench.
Takes a bit more effort, but worth it for peace of mind.