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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 04-08-2007, 04:44 PM
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What could be wrong

My 94 325is had been running fine. I parked it on a sunday afternoon, and when I came out to go to work Monday morning, it will not start... there was no indication of a problem prior to it not starting... I have no idea where to start troubleshooting... It turns over but will not catch... any suggestions as to where to begin would be appreciated...
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#2 (permalink) Old 04-09-2007, 08:21 AM
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Fuel Pump!
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#3 (permalink) Old 04-09-2007, 09:38 AM
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Check the battery and spark plugs first.
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#4 (permalink) Old 04-09-2007, 05:54 PM
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Quote:
Originally Posted by Criminal
Check the battery and spark plugs first.
It turns over so the battery is fine, and the plugs are relatively new...
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#5 (permalink) Old 04-09-2007, 05:55 PM
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Quote:
Originally Posted by kmf60
Fuel Pump!
I was leaning towards the fuel pump myself...
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#6 (permalink) Old 04-11-2007, 11:51 AM
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Start with checking all of the fuses for the fuel system. Sounds like a fuel related issue... How many miles on the car?

1997 E36 M3 - running stocker style right now...
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#7 (permalink) Old 04-11-2007, 07:20 PM
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Fuel pump fuse, relay or fuel pump itself.....

Yep check the fuel pump fuse (#18) first, if it's good check the relay (you can use a fused jumper wire to make the fuel pump run... If the fuel pump won't run when you jump across the relay slots (87 & 30?) then the fuel pump is bad. If the fuel pump runs when the relay is jumped the relay is bad.
Loosen the fuel line going into the injector rail so you can see fuel shoot out if the fuel pump comes on during the test.
This is all covered in the Bentley manual.




-Mike
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#8 (permalink) Old 04-11-2007, 10:58 PM
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I've had some problems with my injectors in the past. The car won't start, let it sit for abit come back, starts but idle will be terrible etc. It does sound fuel related, not necessarily the fuel pump but it is a good place to start.
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#9 (permalink) Old 04-12-2007, 08:29 AM
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Thanks everyone... Fuses and relay are fine... fuel pump does not run, although there is voltage to it... so I have a new one on order from oembmwparts...
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#10 (permalink) Old 04-14-2007, 12:06 PM
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Received the new pump Thursday... Got it installed this morning... took awhile to get it going, but it sounded like it wanted to start from jump after replacement... I'm supposing it needed priming... anyway after some fudging around with it, I did get it going and had it out for a short road trip... so it looks as if I'm back in business.... thanks for the input...
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