E46Fanatics - View Single Post - DIY: Post-Cat O2 Sensors + Pre-Cat O2 Sensors
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Old 08-11-2006, 12:21 PM   #23
Registered User
Join Date: Aug 2006
Location: Sacramento, CA
Posts: 12
My Ride: 00 328i w/ red leath
I just replaced my rears yesterday. This guide was helpful but I would like to add 1 thing.

When pulling out the old rear ones, I tied a string to the end on the top side, so when I needed to route the new sensors wire back to the top, I just tied it to the string and pulled.
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