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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 11-06-2015, 01:12 PM   #1
goose123
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Join Date: Apr 2012
Location: Myrtle Beach, SC
Posts: 75
My Ride: 2005 BMW 325i
Slow start

Car would turn over, I would stop, turn over again to start. It had been a while, so I changed the plugs. Found oil in hole on cylinder 1, so I changed the VCG as well. Car still starts slow.

Pulled the plugs today to make sure there was no oil on electrodes. Thought the coil in #1 might be going bad, so I swapped it with #2. Car still starts slow.

Battery tested good. Fuel pump was replaced 15k ago. It's been a while since I did fuel filter.

Car runs great after new plugs, no codes. Still slow starts.

Tach does not move while cranking. Should I go ahead and buy a crank position sensor, even though there are no codes?
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Mods: Clear corners and sidemarkers
DIY's: Belts, $5 key beep, pulleys, OFHG, oil change, VCG, Alternator, Plugs, radiator, expansion tank, coolant hoses, fuel pump

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Old 11-07-2015, 09:11 PM   #2
goose123
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Join Date: Apr 2012
Location: Myrtle Beach, SC
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Wow, surprised no one has chimed in. The car is starting ok now, which makes me think it might be the coils. Do they go out slowly, or just quit?
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Mods: Clear corners and sidemarkers
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Old 11-08-2015, 08:38 AM   #3
markusmarkus
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Oil in the spark plug well doesn't impact starting. The engine runs well after starting. That tells me that the battery and/or the starter are the issue. How old is the battery? I know you said that the battery "tested" ok, but I personally don't trust battery testers.

When the engine is starting are there any mechanical noises emanating from under the hood?
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Old 11-08-2015, 11:40 AM   #4
goose123
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Join Date: Apr 2012
Location: Myrtle Beach, SC
Posts: 75
My Ride: 2005 BMW 325i
Just normal sound of engine cranking, but not starting. Let me go out and put the voltmeter on the battery, it is two years old.

Thanks Markus, sitting at 11.9. I took it to Advanced first time this started to test their battery. Made the mistake of trusting them when they said it was good.
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Mods: Clear corners and sidemarkers
DIY's: Belts, $5 key beep, pulleys, OFHG, oil change, VCG, Alternator, Plugs, radiator, expansion tank, coolant hoses, fuel pump


Last edited by goose123; 11-08-2015 at 11:45 AM.
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Old 11-11-2015, 02:57 PM   #5
goose123
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Join Date: Apr 2012
Location: Myrtle Beach, SC
Posts: 75
My Ride: 2005 BMW 325i
Still having the same problem. Battery is good and fully charged. It seems to start better when I turn the key to the on position, turn it back, and then start it. Makes me think it is the fuel pump going out. My last one just quit without any signs.

I got the OBD Fusion app, but not sure if will help me with this.

What do you guys think?
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Mods: Clear corners and sidemarkers
DIY's: Belts, $5 key beep, pulleys, OFHG, oil change, VCG, Alternator, Plugs, radiator, expansion tank, coolant hoses, fuel pump

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Old 11-14-2015, 04:51 PM   #6
honoluluZHP
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Join Date: Nov 2015
Location: Honolulu
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My Ride: 2004 330i ZHP
I don't know the answer, but I'm having a similar problem. I just replaced my fuel pump after my old one died and I"m pretty sure that fix worked. But I occasionally have trouble starting (it cranks for 2-3 seconds before starting). Noticed a little bit of what seems to be water leaking directly under the gear shifter. Was thinking of replacing my fuel filter, but doubt that's causing the crank start issue.

Just joined the site so not sure if this is appropriate to post here.

Thanks for any suggestions!

Josh
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