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Join Date: Apr 2005
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1993 318is engine miss

Hi my 93 318is engine seems to have a miss or stumble during idle and a flat spot when i accelerate quickly,has plenty of power and runs great once youre going.Also my a/c keeps blowing fuses.Any ideas?thanks
Old 04-17-2005, 12:02 AM
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Sounds like you've got an electrical short somewhere... how's your wiring? Does it look like anyone has had their grubbies down in it? Does it look clean? Oil on the engine? More info would help.
Old 04-18-2005, 01:33 PM
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All the wiring looks good,all factory and untouched.I just took it to the dealer..whats wrong with these people?they charged ma $108 to tell me I need a new feul filter and air filter which I had changed only a month ago.And they said that my cats are stopped up and they want $1500 for new ones..I just passed califronia smog 2 months ago and I have plenty of power and I dont run hot.Yes the engine is oily and greasey but bmw says not to steam clean.I'm goin to sart with new plugs and and clean the ICV and then go to plug wires if that doesnt help.
Old 04-18-2005, 01:56 PM
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The reason I ask about oil on the engine is that it could pool down around the spark plugs causing arcing. Yeah, go after those plug first, then check and clean the connections on your coil packs... corrosion on the connections could cause the problem, too. Test your coil packs for resistance and make sure the values are similar across all four.

Yeah, I hear you on the dealer... charge you a chunk to tell you your windshield wiper fluid is low or something stupid, and it doesn't even address the problem. I've found, for the most part, shops are only good for having large jobs done... but you have to know what needs to be done. It's a really good shop that you can rely on for diagnostics, and that usually isn't the dealership.
Old 04-19-2005, 08:18 AM
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Well thanks for the help.I was installing the spark plugs and for one they were shot and second off guess what?the first two holes had oil puddled in there.Good instinct ya had there.Also found that two plug wires were touching each other and had worn a small hole in each of them and were arcing occasionally.Runs great now.Never forget the basics huh?Sometimes all this computer stuff scares you so bad you forget the basics.i would have found this stuff in ten minutes on an older car.lol Thanks again for your help.Do you know much about suspension?
Old 04-19-2005, 10:48 AM
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Good to hear it was something simple. Always love those simple and inexpensive fixes.

Do I know about suspension?? ...yeah, a bit, but not in detail. There are people on here who know quite a bit about it, though... always worth posting a note or question.
Old 04-22-2005, 09:39 AM
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thanks for the hep..I have posted a new question on the forum for my wheel shimmy
Old 04-22-2005, 10:16 AM
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Old 04-22-2005, 10:16 AM
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