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Thread: Increased emissions

  1. #1
    Join Date
    Sep 2016
    Location
    Darien, CT
    Posts
    5
    My Cars
    2011 M3, 2010 X5d

    Increased emissions

    I recently got the message Increased emissions service engine soon indicator in my 2011 M3. I have 31K miles on the car and it is totally stock. My initial thought was emissions so it would be covered under the emissions warranty. The dealer said it would be other sensors and they would have to charge me for the diagnostic scan blah, blah. Has anyone had something similar and did dealer cover the whole issue? Any recommendations before I take in the car for service next week.

  2. #2
    Join Date
    Sep 2016
    Location
    Darien, CT
    Posts
    5
    My Cars
    2011 M3, 2010 X5d
    thoughts?

  3. #3
    Join Date
    Mar 2018
    Location
    Albuquerque, New Mexico
    Posts
    1
    My Cars
    2011 BMW M3 E90
    Its probably a small leak in the emission system. Could be the gas cap. But I've heard an emission line rubbing against an AC line up front under the hood. Could be the issue...
    Your last resort is a smoke test to reveal where the leak is.

  4. #4
    Join Date
    Jul 2016
    Location
    Los Angeles
    Posts
    2
    My Cars
    2008 M3 Salon
    I had that coming on once in a while, pulled code, don't remember code. Did some research and replaced low pressure rules sensor, $60,easily accessible, 15min tops, which fixed it. First thing is to get the code.

  5. #5
    Join Date
    May 2001
    Location
    North SF Bay
    Posts
    478
    My Cars
    2002 BMW M3
    Replace the fuel pressure sensor
    02 M3 Steel Gray / Imola


    My Pics

  6. #6
    Join Date
    Feb 2005
    Location
    Bloomington, Illinois
    Posts
    6,187
    My Cars
    2011 E92 M3, 2007 335i
    I had this issue. Replaced the fuel pressure sensor, no resolution. Replaced throttle actuators per dealer. No resolution. Replaced 02 sensors, and spark plugs. Problem did not reoccur.
    Now in E92 M3 ZCP -- Absolute beast

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