Question about 2000 BMW 3 Series

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Eml on e46 bmw 1.8 8v

Last week ,fault throws up light and on diagnostics at my friends college,software says the fault is carburetor system and states nothing else.i cleared the light and it came back few hours later.

so today ive had it booked in at a garage that deal with this and they said the problem is air flow meter under load. although they are famous for trying to sell afm for no reason. they didnt say that the code came up saying afm. they turned out the light and within 2 hours was back on.

im thinking they just turned it out,it drove ok with spare afm in as is now not on limp mode and feel thay can get 300 quid off me.

so if i ignore the afm idea for now what should i be checking on the origional carburetor system fault e.g sensors etc?

if all the checks fail i will buy an afm.


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  • daveturbo Jun 09, 2008

    so if my oil cap is loose my engine managment light will come on????

  • daveturbo Jun 13, 2008

    well blow me, checked it mate but no joy. gone check injectors and see homes reading and check fuel pressure next, u think of ewt else?




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Check oil filler cap and its retainer are properly fitted-this might well be the cause

Posted on Jun 07, 2008

  • pdr4401 Jun 11, 2008

    mine did-and bmw trained technician pinpointed that problem-and cured it !!!!-pdr 4401



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