10-24-2012, 02:29 PM
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Officially Welcomed to the 'Fest
Location: Orange County, CA
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Join Date: Dec 2007
Posts: 467
Mein Auto: 2002 530i Sport
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Easy DIY. This is for the Pre-Cat, which are usually the ones that fail. The o2 socket is like $1.99 at Harbor Freight.
http://forums.bimmerforums.com/forum....php?t=1725981
It took me about 20 minutes to do both of my pre-cat o2 sensors
Do remember to let your car cool off first...
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