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Thread: BMW 318i E90 N43 engine failed NCT on Exhaust Emissions

  1. #1
    Junior Member
    Join Date
    Mar 2016
    Posts
    17

    BMW 318i E90 N43 engine failed NCT on Exhaust Emissions

    Hi guys, just had the car for NCT today and it failed on Exhaust Emissions.

    Low Idle CO 0.12 vol% PASS
    (699 rpm)

    High Idle Lambda: 0.91 FAIL (should be between 0.97 and 1.03)
    (2,738 rpm) CO 3.30 vol% FAIL (should be less than 0.20%)

    Any ideas?

    Thanks for the support

  2. #2
    BMWHaus Contributor
    Join Date
    Aug 2013
    Posts
    279
    Dipetane for €10 & an Italian tune up on the way back to the test centre should see you pass!

  3. #3
    Junior Member
    Join Date
    Mar 2016
    Posts
    17
    Quote Originally Posted by E90 Brian View Post
    Dipetane for €10 & an Italian tune up on the way back to the test centre should see you pass!
    Thanks for that Brian, does it really work? Was hoping it would be that easy but not so sure.

  4. #4
    Junior Member
    Join Date
    Mar 2016
    Posts
    17
    Car was tested incorrectly at the NCT centre. Talked to emissions guy at customer service. Car was given a free retest and passed with flying colours.

    Found this information on the UK forums.

    No thanks to anybody on this forum, no help whatsoever.

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