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  1. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hell guys, I am facing horrible issue I measured my o2 sensors (car has only 2pcs) with ELM 327 scanner and pre cat o2 sensor was showing 0 volts no movement at all. So I thought it is faulty I replaced it with new one but ELM still shows 0 volts, I do not know what to do I think I will ring...
  2. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi Guys, I know there have been various threads on deleting DPFs etc but I was hoping for some general info on the subject to clear up a bit of confusion on my part. I have been contemplating a DPF delete on my E61 LCi 520d N47 in the interests of seeking better mpg and reducing possible...
  3. BMW 1 Series - Tech Talk For All Gen Of 1 Series
    Dear All, I have bought an E87 on the previous summer, everything went smooth, but right now I have a "small" issue. After random distances the check engine light come out. I have went to my mechanic and we checked the code, it is "P00BD", but sometimes I get also "P0172 - System Too Rich". He...
  4. E90
    Can anyone tell me what would be the best make of converter for a BMW petrol 2.0l 2008 E90 125kw . I was thinking Bosal Catalytic converter. 2 year warranty. Hopefully comes with all the bits and pieces required to fit to existing system. Thanks
  5. BMW 8 Series Forum - Technical Talk on the BMW E31
    Moved supersprint position a bit a again Added Magnaflow race cat too Enjoy. Btw gearbox is fine it's LSD with very tall final drive :))) https://youtu.be/pzJN21iRM78 Sent from my SM-G960F using Tapatalk
  6. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi, New to the forum so please forgive me going on a bit. 1 month ago I bought my dream Beamer, 2103 M5 F10. The dream has been a bit of a nightmare. Just had to replace 1-4 injectors, and spark plugs due to over fuelling and major misfire issue leading to breakdown and recovery. Previous owner...
  7. BMW 3 Series Forum - Technical Talk on the BMW E46
    hi, my front cat flexi failed a while ago, now mot date pressures me to sort it out. There is a clamp on flexi repair kit on ebay, i used a repair kit before from there but that was a welding job. i just can't see how the flexi's clamps would fit in there behind the heat shields and sump...
  8. BMW 3 Series Forum - Technical Talk on the BMW E46
    hi i have my 320d's flexi pipe failed. ebay sells cheap flexis for it, but they require welding, i had one done on my 318d it was vibrating at a certain rev. Bmw also selling a repair kit part no. 18312356512 anyone seen this before? i know that almost every exhaust upgrade for new bmw's are...
  9. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    2010 320i msport petrol engine can some body please explain to me when and how the carbon build up in the cat gets cleaned/burnt away ? is it more or less the same way as explained in the dpf sticky above ? or is the petrol engine cat cleaned in a different way reason is i had an engine light...
  10. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Has anybody removed their secondary nox catalystic convertors on a bmw e90 n53 engine? 330i or 325i.. if so did you have to code anything out? been looking through threads and see US guys do this a lot but nothing from the UK..and i know our system is different to theirs in terms of sensors..
  11. Introductions
    We have a blow out on the flexi on our 118D edition N47 can i remove the cat from the turbo to replace the flexi. I do have some mechanical experience although it will be done on the drive under a tarp. ?
  12. TMS Motorsport
    More great items brought to you by: THE MOFF SHOP / TMS MOTORSPORT FS: BMW 3 Series E46 Cat Back Exhaust System Manufactured from high quality grade T304 mandrel bent stainless steel. Fully polished and ported for maximum performance. Direct bolt-on...
  13. BMW 8 Series Forum - Technical Talk on the BMW E31
    My car is always marginal on emissions come MOT time. I'm looking at what I can do to get I through another MOT. I get the car nice and hot but it was tested on a smog machine and we couldn't get it to comply. The MOT guy said the CATs could be shot, how do we check this and if so what are...
  14. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    I recently purchased a 2010 E91 335i LCI sport manual touring with the N55 engine. It's previously been to Birds Auto for a B3 conversion, quaife, bilstein suspension, arbs and a tune. I've been told by birds that this is an "additional ECU" as they could not map the N55 ecu at the time. I was...
  15. BMW 3 Series Forum - Technical Talk on the BMW E46
    Good afternoon, I need some help here, I’m looking for the Bosch part numbers for 2004 320i O2 Pre cat sensors I’ve looked on realoem and it claims the leads are 1 metre long. That can’t be right Thanks
  16. TMS Motorsport
    More great items brought to you by: THE MOFF SHOP / TMS MOTORSPORT FS: BMW 3 Series E46 Cat Back Exhaust System Manufactured from high quality grade T304 mandrel bent stainless steel. Fully polished and ported for maximum performance. Direct bolt-on...
  17. TMS Motorsport
    More great items brought to you by: THE MOFF SHOP / TMS MOTORSPORT] FS: BMW 3 Series E46 Cat Back Exhaust System Manufactured from high quality grade T304 mandrel bent stainless steel. Fully polished and ported for maximum performance. Direct bolt-on...
  18. TMS Motorsport
    More great items brought to you by: THE MOFF SHOP / TMS MOTORSPORT] FS: BMW 5 Series E60 E61 530d 03-10 Cat back Exhaust System Manufactured from high quality T304 grade stainless steel. Mandrel bent and fully TIG welded for strength and durability...
  19. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi everyone, ive been reading up alot on american e46 sites and they are recommendng buying some cheap ebay headers (manifold) because they give a good gain in performance. my car is running the manifold with cats in atm. im thinking about buying a 2nd hand original 318i manifold without the...
  20. TMS Motorsport
    More great items brought to you by: THE MOFF SHOP / TMS MOTORSPORT] FS: BMW 3 Series E46 Cat Back Exhaust System Manufactured from high quality grade T304 mandrel bent stainless steel. Fully polished and ported for maximum performance. Direct bolt-on...
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