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      09-06-2012, 07:07 PM   #1
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Drives: '13 F30 Estoril M-Sport 335i
Join Date: Sep 2006
Location: Miami, FL

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Exclamation HKS Spark Plugs for E9X M3, Replace your OEM Plugs with better ones! (Tune needed)

HKS Spark Plugs for BMW S65 (E9X M3)(Requires tune to clear engine knock code) used for about 4000 miles, new are $25 each.

Gained 3-4HP on the dyno on a hot day!

These plugs are "colder" than the stock plugs, allowing the engine to keep full timing up to redline without pulling back due to heat!

$50 +$5 ship

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