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2003
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M3 2D Convertible
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Engine Electrical System - Tightening Torques
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Ignition wires, spark Plugs
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12 12 Spark Plugs
12 12 Spark Plugs
SPARK PLUG TIGHTENING TORQUE SPECIFICATIONS
Type
Thread
Tightening specification
Measure
1AZ Spark plugs (ungreased)
All
M12x1.25
23 +/- 3 Nm
All
M14x1.25
30 +/- 3 Nm