Question about 1999 BMW 318 ti

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BMW wont start - Exhaust emission values have deteriorated light

Hi. I have a BMW 330iSE yr 2001. Recently aquired and its a superb car, Im well happy with it (or was!). Yesterday I noticed the warning light 'orange diagram of engine' came on, when starting. Today on again and wouldnt start, after a few minutes was ok. This evening same again but did not start at all, after few hours when cold it started. All electrics are ok, everything is fine, but ignition gives no power to starter motor. Looking in the manual I see the warning refers to:- " Exhaust emission values have deteriorated. Please arrange for the problem to be examined by BMW service." Can anyone tell me if this is a serious problem? I can get it diagnosed by a local technician who knows the car. Is it an expensive problem to resolve. Hope you have enough info to advise. Any comments much appreciated.

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  • Steve Sep 05, 2009

    Thanks for being so quick, I dont know enough to answer, if it helps there's no other comments on the dash!

  • Steve Sep 05, 2009

    Thanks for being so quick, I dont know enough to answer, if it helps there's no other comments on the dash!

  • yadayada
    yadayada May 11, 2010

    how superb is a car that doesn't run, HUM! does it have any OBD 2 system trouble codes in THE POWER TRAIN CONTROL MODULES memory??



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Posted on Sep 05, 2009

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SOURCE: BMW wont start - Exhaust emission values light

it simply sounds like your oxy sensor(s) are bad, maybe egr system, and or clogged catalytic converter. Yes it will be a little pricey. Sorry.

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I have a bmw 318 the the amber light of exhaust emission deteriorated has come on There is also cream colour muck inside the engine oil cap. Is it safe to drive. The oil was low.Thank you. Kanica.

That's not good, cream coloured oily muck on the oil filler cap usually means water is in the oil. This would indicate either a blown head gasket or cracked head. Somewhere water is getting into the engine. I would get it looked at ASAP as major engine damage can occur if you havent already done so.

Apr 08, 2015 | BMW 318 Cars & Trucks

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The "engine - exhaust emission values have

Sounds to me that the O2 sensors are sensing a problem with the emissions, or other emision controls have detected a problem that may not necessarily cause a driveability issue.

If you have emissions inspections in your area of the country, then I would have it repaired before the next inspection.

Have the OBD-II scanner check out the computer codes and descriptions by Autozone or Advance Auto Parts for free, or buy your own scanner for under $100 from Sears or Walmart.

Good luck on the repair.

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A light came on the dashboard. I checked it in the book and it says that the exhaust emission values have deteriorated.

Het it put on an ODB2 reader, it is likely to be an O2 sensor going wrong or something not too bad.

Nov 03, 2010 | 2000 BMW 3 Series

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Exhaust emission values have deteriorated

A few clarifactions pls...
Which Car....
Does it have a carburetor or a Multi Point Fuel Injection System
Diesel or pertol or Gas.

The most basic reason for poor emission is incorrect mixture of air and fuel.
if carburetor then you will have to get the correct mixture set . Its NOT a long procedure just adjusting 2 main screws.... But lat a mechanic do it.

If Multi point fuel Injection... then the injector needs to be cleaned This is a lengthy affair. Before opening this you could use fuel additive ment for cleaning the injectors..
Alos check if the manifold/ exaust pipe is not leaking from anywhere as this reduces the pressure and the burn is not total resulting in Emission..

There are fuel addetives that help clean the engine from inside.... but for that I would need more info so as to guide which addivive could be suited.

Jan 31, 2010 | 1999 BMW 318 ti

1 Answer

BMW 318iSE (1999) engine warning light

That sounds like you bought big problems. Oil ights indicate low oil pressure= BIG BUCKS. I would have a qualified repair shop check it out, A shop that specializes in BMW. If you are lucky, maybe the oil sender is just bad. They can also check out the Ck eng light. But the oil light is priority one.

Nov 05, 2009 | 1999 BMW 318 ti

1 Answer

BMW wont start - Exhaust emission values light

it simply sounds like your oxy sensor(s) are bad, maybe egr system, and or clogged catalytic converter. Yes it will be a little pricey. Sorry.

Sep 05, 2009 | 2001 BMW 330

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Reading the fault code is the first place to start - without doing this it will be very difficult, but spark plugs are a good starting point for misfiring.

May 23, 2009 | 2001 BMW 330

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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

Apr 19, 2009 | 2004 BMW Z4

2 Answers

Emission light comes on

it will not pass the test with the light on, and if u turn off the light they will know when they test it by testing/checking the system readiness function. Go to a Kragen or an Autozone they will run the test to see what trouble code has turned the light on, it is free, post the code back here. Oh have then reset the light after the test.

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Exhaust emission warning light

this may be your egr valve, does it want to stall when its ticking over.

Jun 14, 2008 | 2000 BMW Z3

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