This stock 2010 BMW M3 has 152,000 miles and is a little down on power due to the spark plugs, which aren't as effective after just 30,000 miles.
This stock 2010 BMW M3 has 152,000 miles and is a little down on power due to the spark plugs, which aren't as effective after just 30,000 miles.
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Plug condition after 55K miles - BMW M3 Forum (E90 E92)