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JCW Spark Plugs Maintenance.........

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JCW Spark Plugs Maintenance.........

  #1  
Old 03-31-2019, 05:54 PM
dube53
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JCW Spark Plugs Maintenance.........

Mini recommends replacing the spark plugs at 30k intervals. Does anybody replace them sooner as 20K for better MPG? I am asking because I am a believer in preventive maintenance.

Also, what is the expected life of a battery........ It has been replaced 2 years ago.
 
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Old 04-01-2019, 11:41 AM
TheBigNewt
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My 2014 Coupe's battery quit holding a charge before the warranty ran out. But I never replaced the battery on my 2007 MCS and it was 7 years old when I traded it in.
 
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Old 05-22-2019, 01:23 PM
JOETREE
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While it may be overkill at this point, I like to change my spark plugs every 15K. No rhyme or reason whatsoever as this is just a personal preference. As for the battery, I have the OG unit from 2009 and its still going strong. I do however put it on a trickle charger whenever i am out of town. My two pennies.. lol
 
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