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How much was it and does in improve gas mileage? (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by 02Mike on September 28, 2001 at 12:25:19:

In Reply to: o2 sensor replaced! WHew what a difference!! posted by Jon on September 28, 2001 at 06:42:44:

I just got my 525i about two months ago and know nothing about the maintenance that was "done" to it....I am going to do all the work myself, but would like to see if spending the money on a new 02 sensor is worth it.
Please let me know.

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