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Old 04-09-2014, 06:07 PM   #1
Mike2114
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Unhappy No start

Hi this is my first BMW so I'm new to this. I have a no start on my 99 328i. Wasn't getting spark. I moved the orange wire that grounds onto the valve cover and it started. Then it shut off again a little bit later and won't start back up. Any ideas?
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Old 04-09-2014, 09:29 PM   #2
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How did you check for spark?
Does the starter crank?
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Old 04-09-2014, 09:33 PM   #3
Mike2114
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Cranks fine. Took a coil plug out and spark plug. Grounded both. No spark. Just a wet spark plug after trying to start it. The orange wire that grounds to the valve cover was what I moved around and it started then it shut off again and hasn't started since
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Old 04-09-2014, 09:40 PM   #4
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Try to connect an extra ground wire between the engine and chassis, just to rule out bad ground.
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Old 04-09-2014, 09:50 PM   #5
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So will that help? Cause the orange wire that is grounded has a resistor built into it too
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Old 04-09-2014, 10:05 PM   #6
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I thought you were talking about a simple ground wire.
Can you post a picture of it?
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Old 04-09-2014, 10:54 PM   #7
Mike2114
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I can tomorrow morning
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Old 04-09-2014, 11:21 PM   #8
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OK, check out my no start thread, fuses are another thing I would look into.
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Old 04-10-2014, 11:19 AM   #9
Mike2114
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Unhappy

Ok I took a couple pics. It's the orange wire in both pics and you can see there is a resistor on the wire.
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Old 04-10-2014, 05:50 PM   #10
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I'm not sure what wire that is. Any progress?
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Old 04-10-2014, 05:53 PM   #11
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No. I tried other places and just cranks. Have new coils I'm gonna install and see if maybe they went bad. Weird if all went out at the same time.
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Old 04-10-2014, 05:54 PM   #12
Mike2114
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And the wire is on the ignition coil wire harness itself too
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Old 04-10-2014, 05:56 PM   #13
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What's the history of the car?
Did you buy it not running, or it just died?
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Old 04-10-2014, 06:09 PM   #14
Mike2114
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It had a engine swap done. Same engine as original just lower miles. Was having intermittent shutoff no starts. Then went away and now won't start
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Old 04-10-2014, 06:18 PM   #15
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I see. Is the check engine light on when you turn the key?
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Old 04-10-2014, 06:21 PM   #16
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No codes. All fuses are good
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Old 04-10-2014, 06:32 PM   #17
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See if there is power at the coil harness. At pin 15 there should be battery power with the ignition on.
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Old 04-10-2014, 08:17 PM   #18
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There is power at the harness. And at the oranger wire that is off the harness too
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Old 04-10-2014, 08:47 PM   #19
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Pin 1 on the coil harness is the DME signal wire. Pull one of the rubber boots back.
Connect a test light to the back of the pin and have someone crank the engine.
The light should flash.
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Old 04-10-2014, 09:11 PM   #20
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I get a test ligt on on one of the connectors off the coil plug in. And when it cranks it's the only one that lights up also
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