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  1. P Reg 728i Catalytic Converters Stolen!

    Tech Guides For All Generations BMW 7 Series
    Hello all, Looking to get some advice from some of the foremost E38 experts on the planet! Some scumbags have jacked up my good friend's 728i and hacked off the CATs. She's been quoted "minimum £2800 parts, maybe as much as £4k" by the garage, which strikes me as complete nonsense. My...
  2. 2007 320i - (MOT fail) Catalytic Converter?

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi, Sorry if I am posting in the wrong section. I am new to this forum and need urgent help and advice. So I purchased my car half a year ago and was told everything was fine with it and did all the checks required as a buyer to find out if it is ok. It all checked out. But today was its MOT...
  3. Catalytic converter

    Technical Guides for the E90, E91, E92, E93, F30.
    Ive a 2008, 320i petrol bmw. The body work and interior are in great shape. However, last week my EMlight came on. and diagnosed my front cat is on its way out. I must say Ive done 160miles on it. Im in 2 minds whether to buy a new cat.or replace the car. Can anyone, here give me an approximate...
  4. Catalytic Converter

    BMW 3 Series Forum - Technical Talk on the BMW E21
    Does a BMW e36 1995 have a Catalytic Converter. How do you now that the Catalytic Converter needs replacement in countries where you don't need any yearly checks etc once the car is purchased.
  5. 2005 E60 525d Catalytic Converter Removal?

    Technical Guides for the E12, E28 and E34
    I have an E60 2.5TD 2005 (pre LCI) M57N with separate DPF and Cat. The flexi just off my Cat has snapped in half so i ordered a new flexi to weld in it's place. I have spent the morning with my head under the car, taking parts off to get to the two bolts holding the the Cat on. There is...
  6. 1994 850CSi Original Catalytic Converters Wanted

    BMW 8 Series Forum - Technical Talk on the BMW E31
    Hi, my vehicle has from a previous owner a pair of after market cats fitted and this is causing me a great headache. Would someone happen to have one or both lying around (condition is irrelevant as they are needed only for a one time inspection), i.e. to lend or to sell. I am hoping and praying.
  7. 2009 E60 530i - Fuel Injectors & Catalytic Converter

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all. I am after some help and advice on my car if possible. I've had it for almost a year now and I've noticed a few things recently that I feel I might need to get sorted. But, I'm not 100% sure and didn't want to just throw money at it until I got some advice. The main things I've noticed...
  8. 94 850CSi - fotos of original BMW Catalytic Converter needed

    BMW 8 Series Forum - Technical Talk on the BMW E31
    Hello, my CSi has after market cats fitted. If somebody has a CSi with original BMW catalytic converters fitted and can bring the car onto a ramp and take photos of them I would be glad to paypal you an amount for the trouble. Look forward to replies here or by pn. Many thanks in advance.
  9. Catalytic converter lifetime?

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi my light came on again for cat bank 1 under efficiency, car has 120000 miles on the clock, is this expected to go belly up now? Car does usually run on lpg. At least last 30 to 40,000 miles. I've been through tanks of lucas upper cylinder lubricant, two of the cataclean too, so looks like I...
  10. WANTED: E39 M62B44 both cats (catalytic converters)

    Items WANTED - Post any wanted adverts in here
    Hello, does anyone have both cats available? The oem were replaced by some nasty old tiny ones. Maybe M62TUB44 also fits.
  11. p0420 code catalytic system efficiency below threshold bank 1

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Dear All, thank you againf or your help in the past, today 8 miles into my journey to work I have the above error read out while driving on lpg and the car was hot (remember I have cold start misfire issues), anyway, on way home I didn't clear the code just in case it can build up some more...
  12. BMW 1 sereis 120i M Sport error code 30EA DeNox catalytic converter sulfurized.

    BMW 1 Series - Tech Talk For All Gen Of 1 Series
    Hi All, For 2 weeks now i have had the issue where when i try to hard accelerate the engine will stutter. The past week this has now been backed up by an engine warning light coming on and the engine being even more restrictive until i can pull over and turn off the ignition. Upon stopping at...
  13. BMW E90 Removing NOX catalytic converter

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hello friends, I have a BMW 318i with the N43 engine. It turns out the Nox catalytic converter is clogged and the mechanic wants to remove it and weld a pipe in place. Will it work? How about the O2 and Nox sensors? I assume there will be a lot of errors, right? Is there any way to fool the...
  14. Please help! Catalytic converter or timing chain failure? - Video + ISTA/D Values

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hello friends, The car is a 2008 E90 318i with the N43 with 72.000 km on the clock. A few weeks a ago started to refuse to rev up and the power loss is severe. It starts well from cold and the idle is perfectly round. I haven't driven it as I am afraid of further damage. A strange metallic...
  15. BMW E90 318i catalytic converter replacement

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hello, friends It turns out that my catalytic converter is bad and it needs to be replaced. Is there an alternative of buying a new one? I ask because it's about 1500GBP. I remember from a fellow user that he managed to eliminate the catalytic converter completely. Is this a solution...
  16. E60 530i 2007 N53 engine/ 02 sensor behind catalytic converter

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi, I have 30e9 nitrgoen-oxide catalytic converter,ageing message. i have this message for a while, but yesterday i felt that i lost power and on idle started little bit shaking. So plugged in obd reader to check, and i had mixture control messages 29e0, 29e1, 2a2c, 2a2b. So i drive back...
  17. Catalytic converter removal?

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Firstly still new so I hope this is cool to post here, I have recently picked up a slandered bmw e46 330ci and to be honest i am so new to the German car scene i havnt even looked under the car to see what the exhaust consists of so excuse any stupidity ! Right, As the title, cat removal, now...
  18. 2010 E90 318es - Catalytic converter engine warning light

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi all, first post, first BMW I have owned. Recently bought a second hand ex lease 3 series, 318es manual/petrol 2.0. The car runs and drives like a dream. I bought it with 118,000 on the clock and its now sitting on 120,000. The car has a full service history however from late 2012 the services...
  19. 320i .e93 sulphurized catalytic converter.

    General BMW Discussions
    What I have read is I need to drive the car at speeds greater than 68 mph for 25+ mins with more than ½ tank of fuel and the regen should happen automatically during that period. Do I have to stay above 68mph for the full 25 mins?! I tried doing this at the weekend but had to slow down a couple...
  20. Clicking sound due to catalytic converter

    BFuk Open Topic
    Hi lovely people, I have recently replaced my bmw 2006 320i e90 catalytic converter, I have noticed a small clicking sound when the car is turned off, there is like 2 minutes interval in the sound, I was reading online this could be the catalytic converter cooling down, can someone please...