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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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Old 11-19-2006, 07:12 PM   #1 (permalink)
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No current.

If am not getting current in my spark plugs, is that a reason why im not getting my fuel pump to pump out fuel? I have a 1987 325es. What does that mean Bad coil, or distributor? Been sitting for a few years now.
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Old 11-19-2006, 07:17 PM   #2 (permalink)
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bad battery?terminals might have coroded(sp)
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Old 11-19-2006, 07:19 PM   #3 (permalink)
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Check for 12v at the coil. There should be power at two terminals on either side of the coil with the key on.
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Old 11-19-2006, 07:24 PM   #4 (permalink)
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I have a new battery, car also cranks, but no spark, is that a reaso why my fuel pump isn't working?
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Old 11-19-2006, 07:27 PM   #5 (permalink)
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hmmmmmmmmmmmmmmmmmm
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Old 11-19-2006, 07:41 PM   #6 (permalink)
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this calls for none other than Mr Starmavin
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Old 11-19-2006, 08:50 PM   #7 (permalink)
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yes it does
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Old 11-19-2006, 11:06 PM   #8 (permalink)
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I have a new battery, car also cranks, but no spark, is that a reaso why my fuel pump isn't working?
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Old 11-20-2006, 07:48 PM   #9 (permalink)
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You need to check for 12v at the coil with the key in the "run" position. This will explain alot.
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Old 11-20-2006, 10:59 PM   #10 (permalink)
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Is run position right before the crank or is it while cranking? This place should be called Starmavinwerkz.com
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Old 11-21-2006, 07:56 PM   #11 (permalink)
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How to tell if coil is bad? what does the coil do? do the spark plug wires still give a spark if the coil is bad?

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Old 11-22-2006, 09:24 PM   #12 (permalink)
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No, the coil provides the spark, the coil wire transfers it to the distributor cap, then the rotor sends that to the plug wires into the spark plugs.
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Old 11-23-2006, 05:21 PM   #13 (permalink)
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Today I took off the two wires going to the coil. one green and one black. I touched the two and got no current, but then I touched the green wire with the valve cover (which should be ground) and got sparks. What does this mean, the black wire going to the coil is not getting ground? or is my coil bad? Could this be a reason why my fuel pump isn't clicking?
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Old 11-23-2006, 09:25 PM   #14 (permalink)
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Hook the wires back up to the coil... Now use a test light on the black wire while you have some one crank the motor, then tell me what happens....
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Old 11-23-2006, 10:08 PM   #15 (permalink)
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just the black wire? but how do I hook up a test light to only one thing?
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