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|3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.|
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| Originally posted by ///Matt@Jan 19 2005, 12:22 PM |
The screaching would definitely be the belt. I would doubt that the alternator is going bad, it may just need a little maintenance. What warning lights were on, and...is it very humid where you are, is there a chance that your alternator was soaked?
| Originally posted by wcleafs@Jan 19 2005, 08:22 PM |
Sounds like your voltage regulator sensed a low out put from your alternator. A number of items could do that. Your belt should be checked and replaced if required and/or tightened. If you want to check the output of your alternator, get a voltmeter and connect it to the terminals on your battery. You should see about 14 Vdc when the car is running this is +/- 1 Vdc. If you get anything less than 13 Vdc I would suspect your alternator is starting to go if everything is nice and tight. I had a problem much like this but my one turned out to be the wire from the alternator to the starter, piss poor connection. replace the wire and good to go.
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