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Spark plugs

Spark plug videos

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BMW N43 / N53 plug installation

Corona stain

Electrode wear ver2

Gap vs voltage

Electrode gap vs voltage

Fouling

Installation and tightening torques

Installation torques for NGK spark and glow plugs

Knocking Pre Ignition

Knock and Pre-Ignition

Spark plug heat range

Spark plug heat range

Prevention of spark plug ceramic cracks

Spark plug insulator cracks

Old fuel

torque vs turn angle

Torque vs angle

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