I have never seen nor heard of this (pic) Please chime in.

Davyhay · 01-24-2015, 06:57 PM

My car started running like crap after a couple logging runs. I got a misfire cylinder 3, so I pulled the plug. It turns out that the electrode on the spark plug fused to the legs. How could this happen?

stanlalee · 01-24-2015, 07:08 PM

Mods/tune? First guess would be heat/detonation

Davyhay · 01-24-2015, 08:02 PM

JB4 G5 ISO, BMS E85 flash, with an E60 blend and catless downpipes. Log does not indicate anything out of the ordinary.

Miller335 · 01-24-2015, 08:30 PM

Don't like the looks of that.
You swapped plugs and all is well now?

Davyhay · 01-25-2015, 07:07 AM

Yes. Car seems fine. This was also a brand new plug. I had been running the car really hard, but I still think this is highly, highly irregular.

C ///M · 01-25-2015, 08:15 AM

My guess is a manufacturing defect caused that plug to fail due to heat.

j1gilles · 01-25-2015, 01:36 PM

Quote:

Originally Posted by Davyhay

My car started running like crap after a couple logging runs. I got a misfire cylinder 3, so I pulled the plug. It turns out that the electrode on the spark plug fused to the legs. How could this happen?

Leaking injector...

01-24-2015, 06:57 PM	#1
Davyhay First Lieutenant 33 Rep 316 Posts Drives: 2008 135i Join Date: Aug 2013 Location: Montgomery, AL. iTrader: (1)	I have never seen nor heard of this (pic) Please chime in. My car started running like crap after a couple logging runs. I got a misfire cylinder 3, so I pulled the plug. It turns out that the electrode on the spark plug fused to the legs. How could this happen? Attached Images
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01-24-2015, 07:08 PM	#2
stanlalee Major 261 Rep 1,093 Posts Drives: 07' E92 335i manual Join Date: Oct 2013 Location: Newport News, Va iTrader: (0)	Mods/tune? First guess would be heat/detonation
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01-24-2015, 08:02 PM	#3
Davyhay First Lieutenant 33 Rep 316 Posts Drives: 2008 135i Join Date: Aug 2013 Location: Montgomery, AL. iTrader: (1)	JB4 G5 ISO, BMS E85 flash, with an E60 blend and catless downpipes. Log does not indicate anything out of the ordinary.
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01-24-2015, 08:30 PM	#4
Miller335 Colonel 291 Rep 2,189 Posts Drives: 2007 E92 Join Date: Oct 2013 Location: Portland, OR iTrader: (0)	Don't like the looks of that. You swapped plugs and all is well now? __________________ 2007 E92 335 6MT w/335is clutch FBO MHD E60 Wedge map 49k miles
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01-25-2015, 07:07 AM	#5
Davyhay First Lieutenant 33 Rep 316 Posts Drives: 2008 135i Join Date: Aug 2013 Location: Montgomery, AL. iTrader: (1)	Yes. Car seems fine. This was also a brand new plug. I had been running the car really hard, but I still think this is highly, highly irregular.
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01-25-2015, 08:15 AM	#6
C ///M Lieutenant 53 Rep 494 Posts Drives: '04 M3 & '07 X3 M-Sport Join Date: May 2010 Location: Chicago iTrader: (2) Garage List 2007 BMW X3M Prototype [10.00]	My guess is a manufacturing defect caused that plug to fail due to heat.
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