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emissions
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  1. E36 (1991 - 1999)
    1994 325is with only 130,000 miles. Fails California smog test at idle for HC emissions. HC at high rpm is just fine. Oil was changed ~500 miles ago and have run a bottle of Cataclean through the tank. Only use premium gas. Took her in hot and it failed.... Car drives well. MPG is around...
  2. F87 M2 (2016 - current)
    Hi all......new M2 owner here, after 10 years with an E36 M3 & another 10 with an E46 M3. Just bought a 2017 M2 & am having a problem passing emissions in Ct. & am looking for advice. Problem is that 3 of the readiness monitors (O2 sensor, O2 sensor heated & the cat) have been turned off due...
  3. E46 (1999 - 2006)
    Hello, my first post here so be gentle. On to the problem. I went on to get my yearly inspection and they told me that my CO(%) is too high to pass, the rest of the car seems to be in perfect condition. Any idea what could be causing this? I went around looking for shops that would at least...
  4. European Delivery
    Hi, I'm relocating to Europe for a job. Does anyone have experience with the process of taking a BMW back to Europe long term, i.e. having it modified for EU specs? I'm able to get shipping costs for transport (~$1000) but no one is telling me how much things will cost on the other side. My...
  5. E46 (1999 - 2006)
    Hi Guys. So some of you know i have a 1999 E46 323ci Auto. I left these with the ex wife as she still loves the car - it does look awesome. Anyways, she took it for an MOT and it failed on emissions. She only does around 3k miles a year locally and does not drive the car as she should. The...
  6. BMW News
    Thanks to the malaise era and '70s fuel shortages, we tend to think of emissions regulations as fun-sapping power drains. But sometimes, things work out a little differently, as was the case with the brand new M2 Competition. The M2 Competition is an old-fashioned hot rod in the sense that it's...
  7. X5 E70 (2007 - 2013)
    History: Bought 2013 3.5D CPO in Feb of '17 w/21K miles. According to records, oxygen sensor had been changed at 17K miles. Now has 47K miles and has been in 4 times for check engine light: Three times for oxygen sensors (both in front and back of cat), and once for active DEF tank just a week...
  8. BMW News
    Faced with tightening emissions laws, BMW is said to be pulling the plug on the M760Li xDrive next year. According to a report from BMWBlog, which cites a nameless source, the M760Li's V12 is the big issue and won't return when the 7 Series gets a facelift next year. BMWBlog points to EU...
  9. E60 / E61 (2004 - 2010)
    I have a 2005 545i. I was driving the other day and everything was fine. I had just bought this car used with 137k miles. All of a sudden I get a low break fluid warning message in iDrive. It says breaking efficiency was reduced and I could tell from the stopping that it was but it was nothing...
  10. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Two questions: I'm looking at buying a 2014 328i xDrive Gran Turismo (F34) that is from California. Are California cars different than the other cars? Minnesota does not conduct emissions tests so I'm not worried about that but I don't want a car that costs a bucket of money to do simple...
  11. E36 M3 (1995-1999)
    First off I have a 1999 M3 manual. I need to pass emissions but my check engine light is on. I just got the codes checked which are P1250, P0173, P0455. Can anyone help tell me what these mean? (Especially the P1250 since I can't find any information about that)
  12. E60 M5 (2006 - 2010)
    Hey everyone. So the M5 threw a Check Engine Light about emissions l yesterday on my way home from work. I put my Bluetooth OBDII reader in the port and the connecting lights flash and then stop immediately and I can't get any connection to the car. I've never had this problem before. I've used...
  13. E39 (1997 - 2003)
    I'm the new owner of a 2002 BMW 525i and I thought I'd share my experience over the past week. Overall, it was rough but rewarding. I enjoy troubleshooting but dealing with the tight deadline of a temp tag and the holiday schedule in general, it felt like there was a seemingly infinite number of...
  14. E60 / E61 (2004 - 2010)
    Okay so I have a standard 2004 bmw 545i with 103,000 miles and for the last couple weeks my car has been running a little off. So in the morninfs and every time I let it sit for a couple hours I need to let my car "warm up" for atleast 5 minutes or it will run weird. While its warming up it...
  15. E60 / E61 (2004 - 2010)
    Hi, I have looked throughout the forums specifically about performance improvements and emissions. I reside in CA and am subjected to the smog certification every two years. That said, I own an '08 535i that I want to add performance enhancements to. I'd like to add DP's, FMCI, DCI, exhaust...
  16. E90/E91/E92/E93 (2006 - 2013)
    Thx to all who read/responded to my post yesterday. Narrowing the issues, it looks like the question I am left with is do bad hydraulic lifters trigger (at least sometimes) a check engine light? We have an early 09 model year 328i xdrive (production date first week of December 2008), with the...
  17. E90/E91/E92/E93 (2006 - 2013)
    Hi Everyone: We have an 09 with a December 4, 2008 date of production. (328i xdrive) I read that BMW made changes with the head/lifters that was implemented by November 30, 2008. My wife is tired of driving a car that sounds like a sewing machine breaking down. The car is in the shop. It...
  18. E39 (1997 - 2003)
    Hey guys and gals, When I serviced my DISA valve late last year, I noted a large amount oily debris in the intake manifold. I***8217;d like to solve the CCV nastiness and improve the overall service of the system by replacing the CCV with a catch can I can drain at each oil change. In doing so...
  19. X5 E70 (2007 - 2013)
    I'm new to the BMW world and had a question about replacing the cat in my 2008 X5 3.0si. I don't want to go to the dealer and spend over a thousand dollars to have it replaced and found a good aftermarket one for less then 200$ but it says it's not for sale in CA and NY for emissions laws but if...
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