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Thread: O2 sensors. Lets talk

  1. #1
    Join Date
    Jun 2012
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    New Jersey
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    2008 Z4

    O2 sensors. Lets talk

    Ive read they last about 10years or 100k miles. What say ye?
    Also, I know its much discussed but OEM vs Bosh vs other. Does anyone have any real info other than marketing material and butt dynos?

  2. #2
    Join Date
    Dec 2013
    Location
    People's Republic of MD
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    2,291
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    22 doors and 4 tops
    Your pre cat sensors are really the only ones that matter. They report to the ECU to adjust fuel/air mixture. The rears just report if the cats are working.
    I can't comment on OEM vs. Bosh

  3. #3
    Join Date
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    Rears are what would fail you at emissions test time no?
    04R 3l 6 sp VF SC, custom ducting, alphaN, 2.62 pulley, multiport WMI,Severn Tuning(Pokeybritches), Tial BPV,Ceramic header, magnaflow section 1, SS race muffler/y-pipe, megan mounts,42 design catch can, CDV delete ,custom strut bar,3.91 LSD, H&R bars, Hotchkis links.Eibach Pro Kit,Koni Yellows.Megan camber arms. Carbon interior,SSK,UUC lines.CF aero. Poly bushings.

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