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Center electrode rapid wear is caused by heavy loads and lots of WOT. Plug life for precious metal plugs is any where from 45-150k depending on drive cycles and driver throttle inputs.
I have these same plugs in 5 vehicles without any premature wear.
Yours show lots of fuel additive spots and some mixed heat temps. What type of gas do you run? Brand and octane levels?
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2005 X5 4.8IS
The Blue ones are always FASTER....
Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
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