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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 01-21-2012, 03:49 PM
sskogman sskogman is offline
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Question 328i wont start. Not Battery, Alternator or Starter

My 99 328i wont start and I know its not the starter, alternator or battery because i have had them all tested. I tried jump starting it a couple of times and this seemed to help it turnover athough this could have been a coincidence but i doubt it. It doesn't make any noises when i try to start it, but sometimes it randomly engaged. Now it doesnt engage ever at all. Could it be my clutch safety switch or something electrical?
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  #2  
Old 01-21-2012, 07:15 PM
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TRaV MaNN TRaV MaNN is offline
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If it was randomly engaging and now it just doesn't, really makes me think the solenoid. I'll assume you have a 5 speed. How about pop starting? If you can't do that with they key on then we can go from there.

How does it run when it is?
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  #3  
Old 01-21-2012, 07:36 PM
Wayne's World Wayne's World is offline
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Faulty ignition switch in the steering column would be my first guess.

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  #4  
Old 01-21-2012, 07:36 PM
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jonesin jonesin is offline
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Also possible to simply not have a good electrical connection ie: battery terminals (or cables) are corroded, wires on back of starter corroded etc. Start tracing wires, clean 'em up, and coat with dielectric grease.
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  #5  
Old 01-21-2012, 10:01 PM
sskogman sskogman is offline
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It pop starts and runs great, i just replaced the terminals and they have a good connection. Maybe it is the ignition switch
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  #6  
Old 01-23-2012, 12:31 PM
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check for power to the starter when cranking. if power, then you have a bad solenoid on the starter.

if no power, then check the clutch switch (if present) and ignition switch.

or, park facing downhill so you can pop the clutch to start it...



df
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  #7  
Old 01-23-2012, 12:53 PM
sskogman sskogman is offline
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Ok so the mechanic said its the EWS, he bypassed the clutch and ignition switches and problem still persisted.

Last edited by sskogman; 01-23-2012 at 02:14 PM.
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  #8  
Old 01-23-2012, 01:27 PM
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jonesin jonesin is offline
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EWS is NOT either the clutch or the ignition switch, so why would he diagnose one thing then 'fix' another?

That is like the doctor saying that you have a sprained wrist, then performing a vasectomy.
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  #9  
Old 01-23-2012, 01:31 PM
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drivinfaster drivinfaster is offline
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did he check the cluch and igniton switches?? or did he call it the clutch/ignition switch?? (as in just 1 switch??)

ews also has a relay, and will kill power to the starter.

it's under the dash.



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  #10  
Old 01-23-2012, 01:37 PM
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I like my analogy better
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Originally Posted by hnaz View Post
I grew up in a time when the internet was just a baby. Grammar back then versus now... holy cow. You could watch the degradation of society as the internet became more mature.

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  #11  
Old 01-23-2012, 01:38 PM
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Quote:
Originally Posted by jonesin View Post
I like my analogy better
i could edit mine to say what you did, if you think that'll make you feel better....



df
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  #12  
Old 01-23-2012, 02:04 PM
sskogman sskogman is offline
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I believe he said he bypassed the switches and it still did not start therefore he deduced that it was the EWS not working properly
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  #13  
Old 01-23-2012, 02:17 PM
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Quote:
Originally Posted by sskogman View Post
I believe he said he bypassed the switches and it still did not start therefore he deduced that it was the EWS not working properly
i bed to differ.

if the proper switches were bypassed and it started i would say 'ok'. but bypassing a switch and then declaring a diagnosis is not an accurate test.

was there power to the switch?? if there was and it was properly bypassed, then it should start.

if not, then there is another piece in this puzzle that has not been sussed out properly.

could the problem be ews?? sure. but a proper diag is necessary.

here's a link to ews.


http://www.unofficialbmw.com/images/BMW_EWS.pdf



df
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  #14  
Old 01-23-2012, 02:36 PM
sskogman sskogman is offline
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df...they were able to get the car started by bypassing the EWS then they ran a diagnostic and found out that the EWS was accepting power but not distributing power...i hope im explaing this sufficiently
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  #15  
Old 01-23-2012, 02:40 PM
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gotcha.

df
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  #16  
Old 01-23-2012, 02:47 PM
diqiu diqiu is offline
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My car has the same problem.
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  #17  
Old 02-03-2013, 02:46 PM
Lendoe Lendoe is online now
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Quote:
Originally Posted by diqiu View Post
My car has the same problem.
Resolved??
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  #18  
Old 02-04-2013, 10:00 AM
hnaz hnaz is offline
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May want to make sure the camshaft position sensor or crankshaft position sensor are not faulted. I know it's way out there, but doesn't hurt to check.
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  #19  
Old 04-15-2013, 06:36 PM
Dustin22 Dustin22 is offline
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I have a similar problem with similar circumstances, starter is good battery and connection is good, alternator is good but I dont get any response from the starter when using the ignition and was unsuccessful at pop starting. I used a wire to short the stater and got the engine to turn but was unable to get it to fire. There was a grinding noise in the front when I braked to a complete stop but not sure if its related.
Its a '97 328i 214k miles

Last edited by Dustin22; 04-15-2013 at 06:53 PM. Reason: Being more specific
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