They seem to be coming off little by little. Im cleaning out the threads, tapping the 10mm xzn bit in, then giving it a bit with the impact driver to "shake them up a bit. After that, the breaker bar seems to be pulling them off.

thanks for your help.

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Eugene

10 E63 AMG
93 300te 4matic
07 BMW X3
14 Ford F-150 Fx2