BMW M3 Forum (E90 E92) - View Single Post

Ximian · 07-23-2018, 12:38 PM

How often is everyone replacing spark plugs? I think I'll be going down to a 10-15k mile interval. The old plugs which have maybe 25k miles on them don't look fouled or damaged, but the engine is so much smoother now.

07-23-2018, 12:38 PM	#6289
Ximian . 1919 Rep 1,888 Posts Drives: E92 M3 Join Date: Oct 2016 Location: MN iTrader: (1) Garage List 2011 BMW M3 [0.00] 2021 BMW M3 [0.00]	How often is everyone replacing spark plugs? I think I'll be going down to a 10-15k mile interval. The old plugs which have maybe 25k miles on them don't look fouled or damaged, but the engine is so much smoother now.
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