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The BMW Range
3 Series
E36
Help! e36 318i AFM problem
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<blockquote data-quote="Roberto" data-source="post: 389910" data-attributes="member: 8160"><p>I think your mechanic is not too sui sui on bmws. I had an AFM problem recently. The idle was rough, the fuel economy was bad, the engine vibrated badly at low rpms (related to the rough idle), but the car DID NOT stall suddenly etc. I was driving around for one week with the afm disconnected while the mech looked for another one !! This guy, I believe, is trying to rip you off, because the problem you had is clearly an idling issue....or either that, he wants to cluster f**k repair your car such that the problem gets fixed anyhow.</p><p></p><p>The symptoms you described relate obviously to the idle control valve, which is most cases (not all, mine had to be replaced when i had those symptoms, my car even stalled while in motion at high speed) can be cleaned out with WD40. Doesn't cost more than rm100 to replace with a good second hand one if need be (make sure it is serviced before being fixed in).</p><p></p><p>If you car has been running great all this while, then it is unlikely that many things have gone wrong suddenly. So, I would greatly doubt the list that he has put out there.</p><p></p><p>However, the comments he made about bearings and bushings may be valid...these are long-term wear and tear items and while not totally gone yet, may be clearly seen to be due for a replacement soon. Take a look at them yourself and use your jedi sense about it.</p><p></p><p>Or better yet, get a second opinion from another mechanic with the bmw diagnostic computers. If not, just instruct this mechanic to clean out the idle control valve, change the alternator and fan belt bearings and replace the fuel filter...the last three only if you have not done it in recent memory. They need to be done anyway. The alternator can be tested to see if its working....do this at a different wireman's shop AFTER your idle control valve has been cleaned out and your engine is running normally. The bearings and filters can be changed later. </p><p></p><p>I'm not sure this guy knows his stuff. And rm100 to change a fuel pump is very high...it should be 50% of that.</p></blockquote><p></p>
[QUOTE="Roberto, post: 389910, member: 8160"] I think your mechanic is not too sui sui on bmws. I had an AFM problem recently. The idle was rough, the fuel economy was bad, the engine vibrated badly at low rpms (related to the rough idle), but the car DID NOT stall suddenly etc. I was driving around for one week with the afm disconnected while the mech looked for another one !! This guy, I believe, is trying to rip you off, because the problem you had is clearly an idling issue....or either that, he wants to cluster f**k repair your car such that the problem gets fixed anyhow. The symptoms you described relate obviously to the idle control valve, which is most cases (not all, mine had to be replaced when i had those symptoms, my car even stalled while in motion at high speed) can be cleaned out with WD40. Doesn't cost more than rm100 to replace with a good second hand one if need be (make sure it is serviced before being fixed in). If you car has been running great all this while, then it is unlikely that many things have gone wrong suddenly. So, I would greatly doubt the list that he has put out there. However, the comments he made about bearings and bushings may be valid...these are long-term wear and tear items and while not totally gone yet, may be clearly seen to be due for a replacement soon. Take a look at them yourself and use your jedi sense about it. Or better yet, get a second opinion from another mechanic with the bmw diagnostic computers. If not, just instruct this mechanic to clean out the idle control valve, change the alternator and fan belt bearings and replace the fuel filter...the last three only if you have not done it in recent memory. They need to be done anyway. The alternator can be tested to see if its working....do this at a different wireman's shop AFTER your idle control valve has been cleaned out and your engine is running normally. The bearings and filters can be changed later. I'm not sure this guy knows his stuff. And rm100 to change a fuel pump is very high...it should be 50% of that. [/QUOTE]
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Help! e36 318i AFM problem
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