High-Mile BMW E92 M3 Dyno Test Shows Importance Of Good Spark Plugs

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.

Common Problems For The BMW E92 M3 – ECS Tuning

Plug condition after 55K miles - BMW M3 Forum (E90 E92)

Plug condition after 55K miles - BMW M3 Forum (E90 E92)

High-mile BMW E92 M3 dyno test shows importance of good spark plugs

A basic guide to Spark Plugs. - Page 7 - North American Motoring

2009 BMW M3 Sedan for Sale - Cars & Bids

2009 BMW M3 Sedan for Sale - Cars & Bids

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How much Power does our 152,000 mile E92 M3 really make? - Dyno runs + Spark Plug Change

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High-Mile BMW E92 M3 Dyno Test Shows Importance Of Good Spark Plugs

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2009 BMW M3 Sedan for Sale - Cars & Bids