Thread: Spark plugs
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      12-25-2012, 07:48 AM   #4
suff
On the hunt for PSI
Australia
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Drives: E90 M3
Join Date: Oct 2009
Location: Perth, WA

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also dependent on your engine (ie turbo or NA)

Safest bet though is every 20k irrespective as plugs are not an expensive job/
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