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Old 11-14-2012, 02:09 PM
nivo nivo is offline
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Location: Worcester, Ma
Join Date: Jan 2012
Posts: 31
Mein Auto: 330Ci ZHP
Originally Posted by Fast Bob View Post
Could`s not unusual for plugs to go 75-100K miles on modern engines.
The 4 ground electrode Plugs are especially made for 100k mile intervals.

On tests that have been done each electrode has about 25k in them so 4 of them would be 100k or close to before needing a change. Great plugs for longevity not for performance.
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