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      10-20-2013, 11:58 AM   #5
Ezio
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Drives: 2016 Range Rover sport
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Quote:
Originally Posted by Ronnydashore View Post
changing them often is the only thing worth doing. Even after 10k miles they start to cause timing to be pulled by messing with the ion sensing ability of the spark plug electrodes mimicking knock by giving a signal interference between dirty electrodes. So keep changing them every 10k and have performance like new and full timing advance
do you know when BMW recommends the change ?
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