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      08-23-2020, 06:23 PM   #16
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KennyP's Avatar

Drives: 2009 Havana E89 Z4 Sdrive35i
Join Date: Apr 2016
Location: Estonia

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I have the bosch ones that are mentioned on this website.... pretty much same thing as the NGK plug mentioned there... both are iridum.
I have mine gapped 0.022"(0.56mm) Works fine for stage 1. Maybe a bit overkill as its said to be for cars pushing 400hp or more. I havent had any issues with it.

FCP euro gives 2 gapping measures:
N54 applications require the spark plug gap to be changed to OE 0.7mm (0.0275″) or 0.56mm (0.022″) for high boost
ECSTUNING says to gap at 0.022" aswell..
2009 35i DCT Havana brown with ivory white interior. Mods: Cobb stage 1, BMS DCI, KW V3 suspension, M3 front control arms, Michelin Pilot Super Sport tires.
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