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Thread: Replace O2 sensors, reboot before or after?

  1. #1
    Join Date
    Sep 2006
    Location
    San Jose, CA
    Posts
    134

    Default Replace O2 sensors, reboot before or after?

    I just received my parts today from Bavarian. It takes 7 days because I'm in CA. It was shipped from the east coast.

    Anyway, I got 1221 code. I will replace both O2 sensors. Should reboot before or after replacing the sensors. Thanks for the help.

    Pete
    94' AlpineWhite 530i, 5 spd Auto, 112K miles, Mfg in 4/93

  2. #2
    Join Date
    Oct 2004
    Location
    Honolulu
    Posts
    3,105

    Default Disconnect the battery

    while you replace the sensors, and the car will forget the old data and begin to relearn the data from the new sensors as you drive..
    Last edited by Blitzkrieg Bob; 09-18-2006 at 07:53 PM.


    Vee ave vays of dealing vid your kind...........

  3. #3
    Join Date
    Dec 2003
    Posts
    835

    Default

    BMA will overnight stuff to ya with CA Overnight. That shipper is great within the state, & cheap; not so great to WA.
    erased due to slander

  4. #4
    Join Date
    Jan 2004
    Location
    Thunder Bay, Ontario
    Posts
    2,538

    Default

    Quote Originally Posted by Martin in Bellevue
    BMA will overnight stuff to ya with CA Overnight. That shipper is great within the state, & cheap; not so great to WA.
    May not be the quickest to Canada either, but its almost all I use. Just spoke to Patrick today, and Yves last week

    Dave M

    10/90 Build 525im, 630,000+km, Eibach/Sachs, Engine Rebuild
    *RIP Oskar the DOG *

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