Quote:
Originally Posted by romak47
haha, makes me wanna take a commercially available plug from out of my car and cut it open and compare to the ones i took out recently.
had misfire on 2 and 4 cylinder recently but never came back. Was maybe a hundred or so miles after i changed the plugs.. Curious.... hmmmm....
It sucks if i have to drive all the way to my dealers to get thesee. haha. like 1.5 hrs away. sheesh and gas aint cheap right now. :P
gotta make some calls.
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How would one cut a spark plug in half?
In regards to the difference between OE and OEM plugs. There have been a few posts saying how the ceramic insulator is different(the inner guts). All I can say is I have read it here a few times. I also have seen three different threads on the e90 forum about misfires with OEM plugs, as soon as they installed OE bmw bought plugs, the misfire went away. Plus there is a 1Addict here on page two of this thread that had issues.
For me its a no brainer to pay a little bit more for bmw OE plugs over an OEM plug.
Dack