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o2 sensor

  1. Service Engine Light

    General E46 Forum
    Hey everyone, The other day, I noticed the Service Engine Light turn on on my '05 M3 Vert. It stayed for about a day and then went off, but I'm still a bit worried. I ran diagnostics on my own, after the light went away, (thru Carly BMW), and one of the faults is "00000C, Lambda probe 2 before...
  2. Oxygen sensors - best price?

    Driveline, Engine & DME Tuning
    Driving an 05 330i ZHP and wanting to confirm the correct Oxygen sensors and see where everyone has found them for the best price. Car is at 170,000 miles and figured it was time to preventatively replace them. Downstream Bosch 15680 and 15681 Upstream Bosch 17215 and 17216 (I've heard 17215...
  3. O2 Sensor Not Ready O2 Heater Ready

    General E46 Forum
    I have all monitors set except the Oxygen Sensor Monitor. I was told that if the Catalyst Monitor went ready the O2 Sensors would follow. Somehow the Catalyst Monitor and the O2 Heater Monitor are ready and the O2 Sensor Monitor is not. I have driven the 20 - 30 mph drive cycle on cruise control...
  4. Looking for reasonably priced O2 sensors

    General E46 Forum
    Hi, I have a 2003 325i (M54) that is in need of new O2 sensors or at least that's what our shops computer is telling us. I've been looking around for O2 sensors and I cannot believe how expensive they are! There's a little luck on my side that I am the IT manager of a repair shop and have access...
  5. O2 Sensor

    General E46 Forum
    Hello hello! I've been using information on this forum for about 5 months rebuilding a 2002 325xi but this will be my first time posting. Usually, I'm able to search around enough to find my answer but unfortunately not this time around. I hooked up my bmw computer to the old gal and I'm...
  6. P2098 and some Carly codes

    General E46 Forum
    SES lit up, and my Automatic (iOS device) showed P2098. I hooked up Carly to the OBD port and it showed: Engine / Motor MFL-toggle bit Code: 00002D Oxygen-sensor control bank 2 upstrem Code: 0000EC Oxygen-sensor control bank 2 downstrem Code: 0000E2 I replaced both post-cat sensors with...
  7. 328-I smog issue

    General E46 Forum
    Have a 1997 328-I convertible and got a fail on smog. The HC ( hydrocarbons) were at 201, where as average was shown to be 17 and max allowed was 100. I had the CEL and checked codes, had a P0170 and I think a P1188. Was finding info on forums of the fuel system intake hoses are often problems...
  8. Need help removing very stuck O2 sensor

    General E46 Forum
    I have had a fun time the last few days...yes, days...trying to remove a post-cat oxygen sensor that refuses to dismount from its factory hole. The car has 335K on it, so it's no surprise it's rusted to hell, but I am starting to get to that stage where I'm out of options, but I just can't see...
  9. HELP! 15-18MPG Excessive Fuel Consumption 320i_ 16-19L/100km, miss daisy driving

    General E46 Forum
    Hi all e46 fanatics. 2002 320i facelift M-Pack2, M54B22 Engine, Orient Blue, Japan import. 64,000km on it. Just bought it and I just love this car especially the handling is outstanding. But it suffers from excessive fuel consumption 16-19L/100km it's 15-18 MPG (driving like miss daisy), this...
  10. Difference in LTFT bank 1 and bank 2

    General E46 Forum
    My car is 2001 BMW 330I with 150K miles. I found LTFT of bank1 is ~ 0% - 0.8% most of the time. While bank2 LTFT is ~ 5%. I already swapped O2 sensors between 2 banks but LTFT of bank1 vs bank2 don't follow (bank2 still about 4% higher). Anyone think of a reason causing this? Thanks! :hmm:
  11. SES light and system too lean (bank 1 + 2) after valve cover gasket change

    General E46 Forum
    I changed my valve cover gasket (used part http://www.amazon.com/gp/product/B00DMIAKKM/ + Permatex high temp RTV silicone) and spark plugs (used part http://www.amazon.com/gp/product/B000GX9FSY/, OE NGKs) and a little while later I keep getting: PO0171 - P0171 System too Lean (Bank 1) PO0174 -...
  12. just got a bluetooth obd2 scanner, and i dont have a code but i have a failing part

    E46 Xi Forum
    like the title says i just got a scanner and i dont have any codes, but i have a failing part and im not sure what it is. i think its n o2 sensor. i ran the monitor tests to get this result. Thank you in advance for any help.
  13. Obd code po135

    Driveline, Engine & DME Tuning
    100 degree weather and Im sitting in the car with the AC on and the thermostat starts to go up to the first white line to the right. Then the check engine light comes on. I checked the OBD Codes and have a code of PO 135. I looked it up and it says Oxygen sensor 2. My mechanic said...
  14. Genuine Bosch O2 sensor for $42 - fits most models of e46

    General E46 Forum
    I wanted to pass this on to anyone who may want or need new O2 sensors for their e46. I noticed that Amazon is once again stocking the Bosch 15109 (BMW P/N 11-78-1-742-050) Pre-Cat O2 Sensor for $42. This O2 sensor will fit all Non M models - 323i/Ci, 328i/Ci, 325Xi, 330Xi. It will only fit...
  15. Indy Shop Suspects Bad DME, I'm Not Convinced

    General E46 Forum
    I have had an SES light in my car for several months and finally took it to my local indy shop to get it fixed. After diagnosing a secondary air pump issue, they also found a BMW specific code 28 E7 which pointed to the O2 sensor. I let them know that I had just replaced the O2 sensor in that...
  16. O2 Sensor Codes (2973 & 2974)

    General E46 Forum
    Firstly, thank you the Fantastics family! When I bought my E46 4 years ago, I was afraid to open the hood. Thanks to you guys, I have become quite self-sufficient in doing my own repairs and maintenance :-) Here is the issue I am struggling with: 2004 330Ci Cabrio ~61,000 miles - New Spark...
  17. o2 sensor disconnected

    General E46 Forum
    so i changed my valve cover gasket recently and as i was goin to take off the plastic bmw cover i found out that my car has these two plugs next to the silver stabilizer.......i called bmw and they said the wire with the yellow ring is the male end of my o2 sensor(which is not connected wat so...
  18. Cat failure due to CCV breather failure

    E46 Xi Forum
    Hello, looking for some general input here. 2002 330xi had small leak (CCV breather) and was smokng a bit. Dealer replaced failing system and all was well. 2 weeks later was driving down the road and engine lost all power, blinking check engine and a look in the rear view showed that I was...
  19. (e46) CanOBD2 Codes P1189 & P1188 . . . .

    General E46 Forum
    Hey Guys - I have a 2000 BMW 323i that has been throwing two codes for a while now: P1188 - Linear 02 Sensor / Compensator Resistor Short to ground P1189 - Linear 02 Sensor / Compensator Resistor Short to B+ I'm no mechanic but enjoy doing as much as I can on my own. Over the last year...
  20. O2 Sensor issue after headers

    Driveline, Engine & DME Tuning
    This problem has been going on for about the last 2-3 weeks. I have ceramic coated headers with o2 sims that I bought from Anthony at Bimmerbrakes... So here is what happened. 2 Weeks ago, I got a SES light, pulled codes and got O2 SENSOR HEATER CIRCUIT VOLTAGE TOO LOW I reset the code, but it...
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