Question about 2000 BMW Z3

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Today a warning light of the Exhaust emission pup up on the dash board 'in Yellow ' in my BMW 320 model 2010 , my car has 90000 km now , I don't know the cause of this warning light please share with me if you have similar problem and what's the possible solutions

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Have somebody check the air intake system. Probably the air intake pipe assembly or bad air filter can possibly trigger the light to come on. Tell them you suspect it.. so that they won't try to overcharge you by telling you it is something really bad.
As mentioned above , the trouble codes will say a lot. But be there when they do it.

Posted on Oct 23, 2017

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  • BMW Master
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Go to a big autoparts store and have them check the engine codes

Posted on Nov 22, 2013

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: I have a BMW Z4 2003 2.5 with the exhaust emission

The Exhaust Emission Light can come on if the car is driven slowly over short distances.It will not happen on cars driven at speed. A short trip of ten miles at over 3000 revs should reset the warning light,although it may not go out for a couple of days after you have tried it . Hope this helps and saves a bill at the local dealer. JK

Posted on Jun 17, 2009

emissionwiz
  • 85178 Answers

SOURCE: BMW wont start - Exhaust emission values have deteriorated light

HAVE IT TESTED FOR TROUBLE CODES THAT IS THE KEY TO FIND THE PROBLEM.

Posted on Sep 05, 2009

Testimonial: "Sound advice, many thanks"

Dan The Tech
  • 47 Answers

SOURCE: BMW E46 Dash board warning lights

The vehicle owner's manual will contain that information.

Posted on May 30, 2010

  • 14092 Answers

SOURCE: BMW 1999 mdl 323i, yellow

A ROUND YELLOW CIRCLE LIGHT WITH LINES ON EACH SIDE MEANS BRAKE PROBLEMS FRONT BRAKES OR REAR BRAKES HAS A FAULT. NOW IF CIRCLE HAS LINES INSIDE YOUR POWER STEERING FLUID LOW NEED CHECKING.THE WARNING LIGHT WILL TURN OFF WHEN PROBLEM FIX.

Posted on Jan 24, 2011

  • 1 Answer

SOURCE: Emission light comes on

Black insulation tape over the light

Posted on Sep 30, 2013

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It would appear that there is a crack in the exhaust manifold or a faulty manifold gasket. The fault light may be the ECM warning of a "faulty" O2 sensor which is the one after the cat converter as the ECM reads the differences in voltages between the front sensor ( HO2S) and the O2 sensor. That is how it knows of such things as faulty cat converter, manifold leaks ,manifold leaks etc.
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HAVE IT TESTED FOR TROUBLE CODES THAT IS THE KEY TO FIND THE PROBLEM.

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I have a BMW Z4 2003 2.5 with the exhaust emission


The Exhaust Emission Light can come on if the car is driven slowly over short distances.It will not happen on cars driven at speed. A short trip of ten miles at over 3000 revs should reset the warning light,although it may not go out for a couple of days after you have tried it . Hope this helps and saves a bill at the local dealer. JK

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Lambda probe fault possibly


I bought a 2000 polo 1.4 yesterday after having an MOT. The warning lamp came on today but the car is running fine. Whether its the Lambda sensor or just the light itself is a common fault, I think garages turn off the lights to get it through the MOT then they come on again in a day or two!

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