Spark plug Autolite or OEM BMW

Autolite Spark plug

About 6 weeks ago I finally changed the spark plugs. So I put somewhere near 180,000 miles on a set of Autolite spark plugs. Two of the spark plugs the center electrode was completely gone. I don't know how the fuck the engine ran and I certainly don't know how it did not throw a code , it still ran very smoothly even at idle.

Pros: ran smoothly even idle
Cons: electrode was completely gone
Vehicle: Ford Ranger
Mileage: 289682 km
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Autolite Spark plug

I would also like to leave a comment here about having success with an autolite AR52 plug. Same exact thread size and identical reach as the OEM torch plug.

Pros: success with autolite plug
Part number: AR52
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OEM BMW Spark plug

I just completed my first spark plug change on my G20 330 at 40k miles. Three of them especially Cylinder 1 came out "wet" and I'm unsure if it's oil.

Cons: wet spark plugs
Vehicle: BMW
Mileage: 64373 km
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