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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 12-15-2012, 10:55 PM   #21
Viktimize
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Quote:
Originally Posted by lcoleman View Post
Fasle. If the switch never contacts the "crank" position, there will be no signal sent to the starter. Cranking = working ign switch...not to say they can't fail intermittently.
Might be true in some cases. My ignition switch failed and it would crank till the battery died, just wouldn't start.
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Old 12-16-2012, 02:11 PM   #22
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OK, I got a chance to check the voltage going to the starter(and I tell you, it was a really tight squeeze even with the intake boots off), ~10.5V. Onboard, voltmeter registers ign at ON position as 11.3V(sitting on the driveway for a couple of days).

Even if it registers about 10.5, it should still be enough to crank right?
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Old 12-16-2012, 02:53 PM   #23
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It should be doing something. Sounds like it's time to replace the starter. I recommend a new unit (not a parts store refurb) unless you fancy doing the job twice.
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Old 12-17-2012, 10:34 AM   #24
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I was afraid of that. Oh well, you gotta do what you gotta do. Do you happen to know the part #? I see the solenoid and starter motor have different ones

http://realoem.com/bmw/showparts.do?...92&hg=12&fg=25
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Old 12-17-2012, 02:33 PM   #25
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I just noticed you have a 320i. Plug your VIN into realOEM and see what p/n it spits out. On the 6cyl cars you have to replace the solenoid and starter as a unit, perhaps you could get by with just the solenoid itself?
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Old 12-17-2012, 02:53 PM   #26
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All good. I looked at the bosch site and searched for the part number by year and model.

SR0448N

I just ordered a new one and try to do it or have someone help me. I'll keep you posted.

Thanks again!

EDIT: by order, I meant ordered both solenoid and motor. I might as well replace it with a new one

Last edited by UnoriginalUsername; 12-17-2012 at 02:54 PM.
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