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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Aug-11-2017, 03:45:26 PM   #1
Netman
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Default Stranded again

On my way to Kelowna for the airbag recall and the car starts to shimmy a bit. Check engine light comes on and I pull over. Checked the codes and it says cylinder 6 misfire. The code won't clear and of course the car won't turn over now. So what misfortune have I stumbled upon this road trip?
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Old Fri, Aug-11-2017, 03:57:15 PM   #2
T-Rex
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Default Re: Stranded again

How old are the coils/plugs?
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Old Fri, Aug-11-2017, 04:02:58 PM   #3
Netman
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Default Re: Stranded again

Plugs are new but not sure on the coils. Just waiting for a tow now.
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Old Fri, Aug-11-2017, 04:20:17 PM   #4
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Default Re: Stranded again

Ahh yes... The gremlin known as Mr. Ignition Coil has decided to pack-up and go on vacation with you. Your codes are probably the P30X variety, for engine misfire. Order up some new coils and spark plugs; this should fix it. As a side when it comes to plugs, I've used iridium plugs for a long time; I decided to go with the stock dual electrode type and I gotta say, the stock plugs feel a bit smoother and the engine feels a smidge stronger at higher Rs - well, that's my commentary on my experience of late.
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Old Fri, Aug-11-2017, 04:27:11 PM   #5
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Default Re: Stranded again

IDK......Car should still run with one dead coil. Just rough.
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Old Fri, Aug-11-2017, 04:32:20 PM   #6
rpearl555
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Default Re: Stranded again

Quote:
Originally Posted by Sandeep1212 View Post
IDK......Car should still run with one dead coil. Just rough.
I had a bad coil

Car ran like a Harley and would crank when requested
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Old Fri, Aug-11-2017, 04:33:32 PM   #7
lmtfi
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Default Re: Stranded again

Guess: Coil(s). You should have a spare coil. Sucks to be in limp mode on trips.
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Old Fri, Aug-11-2017, 04:47:42 PM   #8
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Default Re: Stranded again

How old are Pre-cat O2s?


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Old Fri, Aug-11-2017, 06:14:20 PM   #9
icecream
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Default Re: Stranded again

Quote:
Originally Posted by Netman View Post
On my way to Kelowna for the airbag recall and the car starts to shimmy a bit. Check engine light comes on and I pull over. Checked the codes and it says cylinder 6 misfire. The code won't clear and of course the car won't turn over now. So what misfortune have I stumbled upon this road trip?
Un plug the maf and see if it starts.
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Old Fri, Aug-11-2017, 06:25:22 PM   #10
Netman
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Default Re: Stranded again

Had it taken to an Indy shop in Kamloops, just waiting for them to have a look. On a side note the car did start but ran very rough. Shut it down and waited 10 minutes and tried again but didn't turn over. That's what worries me.
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Discussing Stranded again in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)