Brand new spark plugs are in. Nothing truly noticably different, but the car seems to be idling slightly higher, call it 100 rpm higher. The old plugs were old, ashy looking, but didn't look broken or cracked.

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2003 X5 3.0i Silver (build 07/03)
2006 X5 3.0i Blue
1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa