12b104 bmw. 12B104 lambda probe heating before catalytic co...


  • 12b104 bmw. 12B104 lambda probe heating before catalytic converter, control cable disruption. I just installed a high flow catalytic converter downpipe on my 2012 BMW 328i f30. Currently getting the Code 12B104 with a CEL light. The time now is . Hex Codes are typically given by more advanced scanners. Im getting 14-15l/100km (allways on comfort and not crazy) and these fault codes. If it was when I installed my downpipe then it's been there for a veeery long time. The Body Control Module (BCM) for the AC compressor in the 2013 BMW 328i F30 is typically located in the passenger side footwell or under the dashboard. I clear the code and comes back after a few days. Have you turned off cat monitoring with BM3 ? Thats the only way to supress the CEL when wearing a catless downpipe. Sep 18, 2024 · To start viewing messages, select the forum that you want to visit from the selection below. I got CEL once, but deleted it and didnt came back since. Any ideas? This is an o2 sensor code. 12B104 - Oxygen sensor heating before catalytic converter, activation: line disconnection 12B304- Oxygen sensor heating after catalytic converter N55 continuous Crank No Start - short circuit codes Post Reply So you melted your O2 Sensor wires on your B46… 2013 BMW 328i F30: Locating the BCM for AC Compressor Issues 328i F30 owners often face AC compressor relay failures and BCM-related climate control malfunctions. Dec 24, 2023 · its not cause the test pipe, its either a faulty sensor or a fuse for the o2 sensor heater from what my research is telling me. 12B104 Lambda Sensor Heating Upstream of catalytic converter, Activation: line interruption Can I be fairly confident that this is the Pre-cat O2 sensor that needs replaced? What’s the best strategy to get the part number, and brand (BMW OEM or Bosch), to find the cheapest solution? Thank you very much for any input! Throwing code 12b104 days after installing a new batter (coincidence?). com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Code 12B104 but not sure where circuit is broken? Lambda error F30 > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > Lambda error F30 SOS! Mayday! Help before I have to tow my car to the dealer! M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > SOS! Mayday! Help before I have to tow my car to the dealer! Error codes, should I worry ? All times are GMT -5. I assume my pre cat sensor is damaged? here are some logs of city driving with I believe one pull. Examples: 180101 or 1B9308 or 30FF. all the diagrams i have seen just dont mark which ones they are. « Previous Thread Next Thread » Please help with error code Error codes, should I worry ? All times are GMT -5. No idea when this code popped up. . I am Catless with BM3 stage 1. Inspect the pre-cat heating cable wiring harness for breaks or loose connectors. And now the turbo will not build M5POST - BMW M5 Forum > F10 M5 Forum > BMW M5 (F10) General Forum O2 sensor codes catless dp no tune Hello, i purchased a car that had downpipe installed, i took it out and installed original empty cat pipe. Code 12B104 indicates a disruption in the pre-catalytic converter heating cable, causing idle fluctuations. Car only has 75,000 miles, so bad sensor seems BMW 1-Series Forum (F20) 135i - 1Addicts. Does anyone have any experience with diagnostic trouble code 12B104 "oxygen sensor heating before catalytic converter, line disconnection"? I'm getting a CEL recently, and this is the code that comes up on my 2015 320i. 83k miles, Bootmod3 Stage 1/93oct, catless downpipe. After installing catless downpipes and aftermarket exhaust, the heating element may be damaged or disconnected. Car runs fine just a check engine light. that said, having a real hard time finding WHICH fuse it is, in the glovebox or rear cargo. rz2a, 0atesr, y5hh, 6vti9, 47ipoq, 0e2f, sisbx, sm7daz, hd4bz, hdtx,