Bmw catalytic converter conversion fault Does anyone know how I could save a few bucks on this BMW CODE P0420 P0430 CATALYTIC CONVERTER SERVICE ENGINE LIGHTIf you have BMW that has engine light and any of the code P0420 or code P0430 in this video we w Jan 2, 2011 · Catalytic converter efficiency, bank 1. The catalytic converter is responsible for converting harmful pollutants into less harmful emissions before they exit the vehicle's exhaust system. prg electrical 29F4 catalytic converter conversion 29F5 catalytic May 1, 2014 · Hello E46Fanatics, I'm new to the Forums. (the pre-cat sensor should see a value that oscilates around stochipmetric, whereas the post cat should see a much attenuated signal- when it doesnt it assumes the cat is bad) Aug 24, 2012 · I took it to a bmw dealer here in Bucharest, Romania, for a full diagnostic. 2nd monitor the engine and sensors which throws the fault code for the cats May 25, 2023 · Hi, my 2012 bmw e82 throws fault code 2766 DME: catalytic converter 2 current. Also cleaning of MAF 0029F4 - Digital Motor Electronics (DME), catalytic converter conversion 0029F5 - Digital Motor Electronics (DME), catalytic converter conversion 2 The car has a Schrick 288/280 cam, Eventuri intake, Supersprint headers, & Rpi Exhaust for the motor mods. Here are some of the most frequently reported problems: Clogging: Over time, carbon deposits and other contaminants can build up in the catalytic converter, leading to reduced efficiency and performance. However there are also codes for rough running, Lambda and NOx sensor. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm 2738 Catalytic converter conversion, bank 1. Consequently, the "Service Engine Soon" lamp may be illuminated with fault codes 178 ("Catalyst conversion bank 1") and/or 179 ("Catalysts conversion bank 2") stored in the DME control module. I'm not really sure how to proceed on this one. The acceleration lost pointed to 276A Catalytic converter conversion rate faulty on a generic OBD scanner. 00 kg/h Exhaust gas temperature in the catalyst of Model Bank 2: 575. • The current mileage gets transferred automatically into the DDE. Check Engine Light. new gaskets of course. MINI Cooper Catalytic Converter Swap And Diagnosis for Transmission problems A BMW X5 E70 3. 35g NOx conversion ratio: 26. You should go have the exhaust gases analysed, mine went from normal to 6-800 ppm HC at idle. OEM M3 side skirts, BMW Performance Wheels 19 inch 269 Black Gloss+Continental I have bmw e90 320i 2005 and there are few fault codes: 29f4, 29f5, 29F4 DME: Catalytic-converter conversion. Apr 9, 2022 · These fault are related to tank vent system. So the dealership and shops usually give me a hard time with this particular issue and did not know what to do with it. SCR catalytic converter faulty, perform system test with SCR catalytic converter. My N52 recently lost a DISA valve flap, so I ended up pulling the intake to swap both DISA valves. Some insight needed for 2004 645CI Fault BMW DME M1. Tool32 DME Fault code list MSD80. Those faults are indicating that the catalytic converters require replacement. prg. Aug 28, 2018 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. The big one was, it wouldn't pass Smog. 2C3E - DME: Oxygen sensor 2 before catalytic converter: Line fault. looks like i need a new O2 sensor but im not sure how i determine which 1 is kaput. I'm just wondering if anyone knows what this code could be referring to? There are many different fixes on the internet, most mainly advising that you replace the O2 Sensors; none really stating which of the sensors to replace as there are both pre Replace the Catalytic Converter: If the catalytic converter is confirmed to be the issue, it may need to be replaced to resolve the P0420 code. 29F5 DME: Catalytic-converter conversion 2. 000 km on them, changed them all, one time. They found some minor leaks of oil and that the brake discs are worn, nothing major, exept for one fault. All of the sensors should be Active after starting, after the cats are up to a certain temperature, the catalytic converter O2 heater shuts off and says "Not Active", the fronts (pre-cat O2 sensor heaters) should always stay "Active", the (pre-cat O2 heaters) do not shut off. amazon. 0l N42 engine. 34°C NH3 loading of SCR catalytic converter: 0. 00 - relative The codes are 29F4 and 29F5 which are 'Catalytic converter conversion 1 & 2' codes. Seeing how they both have failed you had something else failed that ruined the cats. Have had this problem to battle with in the past months now. Jul 28, 2011 · I really hope any of you can help me now. In this instance they did not reappearso far. I'm just wondering if anyone knows what this code could be referring to? There are many different fixes on the internet, most mainly advising that you replace the O2 Sensors; none really stating which of the sensors to replace as there are both pre Feb 6, 2025 · Catalytic converters in BMW vehicles can face several issues, often stemming from both internal and external factors. A malfunctioning catalytic converter will often trigger the check engine light on your dashboard. Dec 22, 2017 · So I recently read the fault codes on my 2006 330i. 29F5 - Catalytic Converter conversion bank 2 Where i live 99. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm BMW Fault Code. 2015 BMW F83 M4, 2022 G83 BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > e90 Catalytic Converter Clogged Up with white substance p0420, p0430 Google Search. 2C7B - DME: Oxygen sensor after catalytic converter: Signal Service Engine Soon lamp is illuminated and the following fault is stored in the DME memory: 276A (P0420) Catalytic-converter conversion – Catalytic-converter efficiency too low. 29F4 - Catalytic converter conversion 1 Typically caused by having high flow cat downpipes or catless downpipes and no tuning. 1, M1. These are the codes that it returned: 0000E9 - DME: Catalytic-converter efficiency, bank 1 Dec 21, 2011 · The DME programming, as originally installed, may cause the OBD diagnostic to erroneously evaluate the efficiency of the catalytic converters. One of the most common issues that BMW drivers face is the P0430 code, which indicates a problem with the catalytic converter conversion. Feb 8, 2022 · It has a reoccurring fault code 29F4, the description given is Catalytic Converter Conversion 1. Now what's left! I wait! 1st run the remaining cleaner out of the gas tanks. So my E93 M3 currently throws up an engine malfunction after about 1 minute of driving. It could have been one of the components you already replaced. Join Date: Jun 2019 Nov 13, 2019 · CLICK HERE TO BUY YOUR NEXT FEBI BMW PARTS ON MY AMAZON STORE https://www. Feb 13, 2021 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. The exhaust systems of N43/N53 series engines are equipped with 2 or 4 catalytic converters: 1 or 2 CO catalytic converters (1 piece for N43 series engines, 2 pieces for N53 series engines) and 1 or 2 NOx catalytic converters (1 piece for N43 series engines, 2 pieces […] Jan 26, 2014 · I need to replace my Catalytic converter due to acceleration lost on my current Mini One, 1. I recently purchased a 2003 BMW 330i that I knew had a few problems. Nov 8, 2020 · NOx sensor upstream or downstream of SCR catalytic converter is implausible (note is a corresponding fault code entry), renew sensors. Enter a BMW fault code (P or hex), complete the captcha, and click "Search" P-Codes will start with a P and are usually generated by generic scanners. Feb 20, 2019 · I'm counting this promising seeing that the catalytic converter codes usually reappear after 40 to 65 miles on RR. com | BMW X6 Forum X5 Forum > BMW X5 Forums > General BMW X5 (E70) and X5M Forum (2006-2013): Code 0029F4 and 0029F5 Catalytic converter conversion after removing cats Sep 17, 2013 · The BMW dealer pulled at least this codes. 3) is an early Bosch Motronic ECU, used on all of the 6 Cylinder BMWs up until 1990, and a few more after that. According to a specialized mechanic it is necessary to change the catalytic converter but my question is this solution real or is it possible that it is another fault, thanks. The P0420 code for BMW vehicles indicates an issue with the catalytic converter's efficiency. BMW Fault Code Lookup. How was the process of chip tuning BMW X5 E70 3. This is what comes up: DME: 29F4 Catalytic converter conversion, bank 1 29F5 Catalytic converter conversion, bank 2 2AAC Variable intake system 2, self-diagnosis 2A87 Variable camshaft timing (VANOS) exhaust, mechanism MRS: 93A9 Belt tensioner, driver 93AD Side airbag, front right Jan 25, 2011 · Took it to my local guy ((he accepted a payment of a decent bottle of red wine)not BMW) who read off these codes --29F4 Catalytic-converter conversion 2C6D Lambda sensor aging of rear cat bank1 2CA2 heating lambda sensor of front cat (shearing stress) We reset it yesterday and the light has not resurfaced. Cost to Fix P0420 BMW The cost of repairing a P0420 code on a BMW can vary depending on the specific cause of the issue and the labor rates in your area. 35 (K_LAVK_OBD_DYN_WERT_MAX) May 31, 2013 · So i just took my CAT to a local NON BMW mech, and had him replace both CATS with Magnaflow 49791 OEM Grade (49-State) Direct Fit Catalytic Converter and now he is telling me that he is getting two codes 29F4/5. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. 97% of the X5's are diesels, few petrol engines, and theres my 4. Date from the old control unit is not to be rescued. 2, and M1. 3. Tank vent system fault could be caused by tank vent valves, clogged charcoal filter, defective purge valve, pump or clogged system filter, defective fuel tank cap, or just leaking or disconnected lines. In the process, I discovered that the inside of the intake manifold was REALLY wet with oil, due to the oil separator checking out. 2738: Catalytic converter conversion rate under minimum threshold They also tested the O2 sensors, and said they are functioning perfectly. wondering what options I can code with NCS Expert to disable the CAT from the DME or something like that so the car Dec 1, 2013 · These are catalytic conversion efficiency codes, I believe These happen when the post cat O2 sensor "sees" too much variation in the O2 waveform. Jul 26, 2018 · I have a BMW 1 series 2009 116i which kept cutting out when driving happened once 6 month ago and then recently started again and jumping when driving. 8i. If you’re experiencing this issue, don’t worry – we’re here to help. BMW Z4,01 Bullitt. As a background, the car is 318CI (e46, 2003) with 2. We need to see the fault log to start diagnosing. BMW. Examples: 180101 or 1B9308 or 30FF Mar 8, 2018 · • System: SCR catalytic converter Selection: • Select 2 Carry out SCR adjustments. Most aftermarket Catalytic converters only last 10,000 miles and are relatively cheap to purchase. I have replaced the front O2 sensor (Bosch) just few months ago, which did not help. 0km) filtered exhaust gas mass flow, Bank 2: 24. 273D Catalytic converter conversion, bank 2. What are the possible causes of OBDII code P0430 in a BMW indicating an issue with the Catalytic Converter Conversion 2? A: Potential causes include a faulty catalytic converter, oxygen sensor issues, exhaust leaks, or engine misfires. Ideally, you're going to need the signals checked to see is going on, what the ECU thinks is going on etc. Jun 14, 2022 · To me, oil in the intake is a sign of something that can cause all sorts of catalytic converter issues. I did just replace the manifold gaskets thinking maybe there was a gasket leak. 04 Exhaust temperature before SCR catalytic converter: 260. Causes the car to run like crap until I stop and clear it out. It does sound like the cat wasn't the original problem, or maybe sensors are mixed up or a bad / cheap cat. Oct 20, 2021 · OBD II fault code P0420 is a generic trouble code that is defined as, P0420 – “Catalytic converter system, Bank 1 – Efficiency Below Threshold”, and is set when the PCM (Powertrain Control Module) detects that the efficiency of the catalytic converter on Bank 1 has fallen below a minimum allowable threshold. The catalytic converter may be deteriorating, causing the catalytic converter monitoring to store the above fault in the DME memory. Sep 24, 2021 · BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications Jun 12, 2008 · Is it a common problem for both Catalytic Converters to fail or go int o fault after 89K miles. The code is triggered when the engine control module (ECM) detects that the catalytic converter is not converting the exhaust gases as efficiently as it should be. • Select 4 Engine control unit • Select 2 A new control unit was already fitted. May 26, 2018 · Hi all, sorry for the long delay, been rather busy but here's what ended up happening, I had a similar issue on my E66, which turned out to be the vanos solenoid Orings, ended up changing them on the E90 and resetting the codes, car ran smoother for a few days. When the catalytic converter in your BMW starts to fail, you’ll likely notice several symptoms that affect the performance of your vehicle. I took it to BMW and had them run a series of tests. 00 °C Actual lambda probe corrects to additional amplitude Bank2: 1. value 0. I have CEL and codes 0029F4 and 0029F5 DME catalytic converter conversion. Dec 12, 2018 · I get these randomly if I go WOT. 0L 2008 model year with a burning on the dashboard, the CHECK ENGINE indicator flashes and failures: 29F4 – Catalytic-converter conversion 29F5 – Catalytic-converter conversion (Bank 2) Poor performance of the catalyst, decided to cure a dynamic version of the firmware. 2C3D - DME: Oxygen sensor before catalytic converter: Line fault. Example: P1055 Hex Codes are typically given by more advanced scanners. 00 ouch - warranty expired 1/31/02. Fault number 2A26 "DME: catalytic converter, conversion in stratified-discharged mode". 998004 Oct 21, 2019 · Hello car has thrown up this fault over the weekend. Carry out the following service functions depending on which components have been renewed: Mar 18, 2017 · Nitrogen oxide sensor before SCR catalytic converter: 118. Service Engine Soon lamp is illuminated and the following fault is stored in the DME memory: 276A (P0420) Catalytic-converter conversion – Catalytic-converter efficiency too low. Long story short I took it to a garage who did a diagnosis and the codes were: 2A26/Present - DME catalyst converter in stratified charge mode. account. Problem is that the faulty codes "catalytic converter bank 1 & 2" comes up. Aug 7, 2021 · Catalytic converter efficiency too low, bank 2; Catalytic converter efficiency too low, bank 1; Car has 4 new Bosch O2 sensors about 3 years old Both catalytic converters were replaced around a year ago - aftermarket manifolds/converters. The car has 130t KM's on clock. As a car owner, it can be frustrating to see a warning light pop up on your dashboard. They say that there could be a problem with the catalytic converter. com/ideas/amzn1. Is your BMW’s check engine light on, with the scanner showing the dreaded P0420 or P0430 catalytic converter efficiency below threshold fault codes? If so, you may have already been shocked and horrified by a $3,000+ repair estimate and you’re wondering what to do next. When the catalytic converter is not functioning properly, it can lead to increased emissions and reduced The BMW P0420 code is a diagnostic trouble code that indicates a problem with the catalytic converter’s efficiency. XBimmers. AF6YV7DBKJYG4QHHVY3V4EEEJEIQ/1SU5IVYCFKXGY\\ CLICK HE Jun 22, 2012 · Hello, I would need some intepretation help for the following fault code read with INPA. Aug 20, 2020 · 2. BMW P0430 Code:Catalytic Converter Conversion 2. 0L Feb 16, 2013 · Here are the complete DME fault codes for MSD80. Fault 2B59 you need to replace the coolant Oct 20, 2021 · This image shows the location of a catalytic converter on an E60 5-Series BMW model. Apr 9, 2014 · managed to get this codes up now and just want to check that it sounds like a need a new nox sensor? 30ea denox catalytic converter, sulphurised 2af4 nox sensor electric 2af2 nox sensor linear 2af6 nox sensor binary 2af9 nox sensor, nox signal: coast mode check Oct 13, 2024 · Symptoms of a Bad Catalytic Converter in a BMW. Apr 22, 2021 · This is an example of what you would see using the O2 sensor datastream. 2 and 1. Sep 23, 2018 · I downloaded some freeze frame data on the fault: Faultcode: (0x29F5) CDKKAT2 - catalytic conversion 2 Faultset 1: (appeared at: 218344. 2789 and 278A, which are catalytic converter conversion Some insight needed for 2004 645CI Fault codes 27D3 Catalytic - Converter Conversion (bank 2) BMW 640i. 3 The BMW DME M1. 1 (and similar, 1. As previous read and discussed in threads here I have changed the lambda/CO2 sensors and the temperature sensors for Sep 20, 2019 · 29A9 Power Management 299B Communication Engine ECU- IBS 27D3 Catalytic - Converter Conversion (bank 2) 2007 BMW 335i. 50 % SCR long-term adaptation factor: 0. Here are the most common signs: 1. 4, 2007 with 110,000 miles. 42ppm Nitrogen oxide sensor downstream of SCR catalytic converter: 87. Mar 28, 2018 · Coils are BMW service ones, about 150. Fault code: 2771 - P0133 Fault text: Oxygen sensor dynamic diagnosis before catalytic converter, bank 1 Fault description: O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) Condition for fault identification Test condition: Amplitude of oxygen sensor less than diag. Just got diagnosed and both banks 1 & 2 are currently in fault "02" 745i BMW dealership advises $4000. Sep 14, 2018 · what have you scanned the car with to get fault code you have, the reason i ask is this, a cheaper generic code reader will always give up its emissions fault codes related to,, but will not give up the P-codes dealer only level and its these we need to work out whats going on,, ie if its just cat or and 02 sensors needs sorting or a injector playing up etc, honestly there are sooooo many Jul 29, 2023 · 29F4 Catalytic converter conversion 29F5 Catalytic converter, conversion 2 I'm no mechanic but it looks like a possible issue with the catalytic converters. Note that while it is possible to replace a catalytic converter on some BMW models on a DIY basis, this process usually involves removing heat shields, splash guards, and other parts to gain access to the exhaust system. They told me they reset the codes and parameters and that the tech didn't think the catalytic converter is the issue because he hasn't seen them fail with my mileage. In the code listing it says it is "Camshaft sensor input: signal duration". 29F4/Not present - DME catalyst converter Conversion Mar 20, 2013 · 276A (P0420) Catalytic-converter conversion ***8211; Catalytic-converter efficiency too low. Dec 23, 2021 · The catalytic converter is part of the exhaust system in BMW 3 Series and its main purpose is to convert exhaust gases like carbon monoxide and hydrocarbons that are harmful to health and the environment into less harmful byproducts, like carbon dioxide and nitrogen gas. How can I diagnose the OBDII code P0430 in my BMW regarding the Catalytic Converter Conversion 2? Nov 17, 2017 · Hi I have an E70 2008 N52 Engine and recently removed my clogged Cats (don't have cash to replace). ujm bdvgcyk umic aaalmgs sxb libyc nmpch ytvsbk taaj foty