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Old 05-27-2010, 08:15 AM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
Join Date: Apr 2007
Posts: 6,231
Mein Auto: '02 530i Sport auto
The previous suggestion to use a left hand (counterclockwise) drill bit is a good idea to help prevent pushing the bolt segment into the sump. The fact that there is already a cone shaped indent in the bolt segment should allow for easier drilling of the pilot hole for the screw extractor. You also do not need a larger screw extractor if that bolt segment is not tight in the hole. Go small first as drilling the hole will be easier. And make sure the drill hole is properly matched to the extractor. Screw extractors work very well once they bite onto the bolt. A little PB Blaster may help to lossen the bolt segment too. Once that oil comes out, it should flush all the PB Blaster away. Good luck!
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