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  1. F90 M5 (2018 - current)
    DCS RECYCLING LLC is buying all F90 M5 catalytic converters. We are fully licensed recycling company and Have some of the highest prices. All we need to start is a picture of the code stamped into the body of the converter for pricing. We pay first PayPal goods and services and then require you...
  2. 3 Series & 4 Series
    Recently I had to get new fuel injectors, sparkplugs and a battery. Not even a week later my engine light came on and i got the code read and my catalytic converter failed. I put on a new highflow catted downpipe and now the car is rough idle and seems like it wants to stall out when it starts...
  3. E46 (1999 - 2006)
    I'm fairly certain my cats are completely stopped up. Bad loss of power, extreme fluctuation of O2 Sensor 2 data when applying any throttle at all, and the engine completely shuts down when I give it any more than half throttle - almost like the computer just shuts down and the manual 6 speed...
  4. F10 / F11 (2011 - 2016)
    According to my OBDII scanner, the downstream Bank 1 Sensor 2 and Bank 2 Sensor 2 catalytic converter temperature reaches 900-1100°F when the engine is at idle, often times with 60-100°F delta between the banks. Is this a normal operating temp? It seems excessive to me. I’m in pursuit of a...
  5. E90/E91/E92/E93 (2006 - 2013)
    Good evening, My Indy shop want $4000 to replace the catalytic converters on my 2006 E90 325i using BMW systems. I’m thinking an after market set should do fine. Do any of you have any experience with after market cats and what should I avoid? Even remanufactured BMW catalytic converters are...
  6. E63 / E64 6 Series (2004 - 2010)
    I am getting fail codes on Catalytic converter.. also on BanK 2 up and down on the O2. Do you think it is the Cat or the O2 sensors? or something else. ?
  7. E39 (1997 - 2003)
    I've looked this up on multiple forums and haven't been able to get ONE consistent answer to this question which I thought would've been fairly easy to find. I'm looking to make a custom exhaust for my 97 540 and I want to install an X pipe right after the O2 sensors but I want it to clamp on so...
  8. X5 E70 (2007 - 2013)
    hi guys, please help I am in California, just bought a used 2010 BMW x5 with about 95,000 miles on it. I was being cautious, and asked previous owner to provide a smog test, which she did. so we made the deal, paid her, drove home. next day, 2 codes showed up on my Acron CP9580 scanner: P0420...
  9. X5 E53 (1999 - 2006)
    I'm replacing cat on my E53, code P1093, bank 1 too lean, what do you guys think? Transmission Fail Safe, swap the TSU, still on. Thinking of replacing the filter on tranny, may be pressure lost? Reverse some times do not work after long period of riding. Jay :)
  10. E36 (1991 - 1999)
    Hello everyone! After browsing through our local car advertisement forum for weeks we found a diamond in the rough. I am writing this post because your girl over here needs some help! Jokes aside, I would highly appreciate some tips on how to fix the rust and some other issues. We are talking...
  11. E39 (1997 - 2003)
    I need help interpreting these oxygen sensor scanned readings. 2003 525i 160k miles Both upstream sensors are new Bosch Both downstream sensors are original Previously I replaced the CCV which was causing a large leak Replacing the upstream sensors solved the readiness registers not setting Now...
  12. E36/7 Z3 (1996-2002)
    My 98 Z3 Roadster Catalytic converter comes as one piece from head to tail, the other models don't I don't understand why, question, can one be welded in cheaper and where can I get what I need? I also have other posts, needing a power steering pump and an A/C compressor for the same car. love...
  13. E90/E91/E92/E93 (2006 - 2013)
    Hello everyone. I'm trying to become more self sufficient with my UK Spec, 2008, 320i E90 and also be able to help others out in my neck of the woods if I can. Mechanically I'm coming along reasonably well and can do the basic, obvious, or well documented repairs or service on my car. I have an...
  14. E36/7 Z3 (1996-2002)
    I am going to need a new Catalytic Converter soon and have noticed the replacement's online include the entire tail pipe for the 97' and only the Converter on the 98 and others. My question is do I need to buy the whole tail pipe assembly or can the Converter be cut out and replaced? Also, where...
  15. 7 Series - E65 / E66 (2002 - 2008)
    I need your help and advice. My 7 recently seems to be a trouble pit. The check engine light has been turning on/off. Now it's on constantly. Today the car is shaking, feels like it wants to shut off and theres no acceleration. I shut off the car for about 30 min and now the car seems ok...
  16. E90/E91/E92/E93 (2006 - 2013)
    Hello there, here it's the issue on my son's car, it's a 2011 335i with the n55 engine. Replaced recently the oil pan gasket, the oil filter housing gasket and the valve cover gasket, and 3 days ago the car started dripping oil directly into the bottle shape part of the catalytic converter, I...
  17. X5 E70 (2007 - 2013)
    Hi I have an E70 2008 N52 Engine and recently removed my clogged Cats (don't have cash to replace). I have CEL and codes 0029F4 and 0029F5 DME catalytic converter conversion. wondering what options I can code with NCS Expert to disable the CAT from the DME or something like that so the car...
  18. E46 (1999 - 2006)
    2003 325i with 185k, need to purchase (NOT Cali or NY) CC that is reasonably priced...any suggestions? Need front and rear (1-6) Thanks in advance!
  19. E46 (1999 - 2006)
    i'm doing a cylinder head gasket job and the bottom studs on my exhaust manifolds where totally seized up and i had to cut some off too. Instead of spending hours drilling them out I decided to let the professionals take care of it, so I took my two exhaust manifolds to the muffler shop. After...
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