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2009
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528i Standard
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Tune-Up
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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
TIGHTENING TORQUE SPECIFICATIONS - SPARK PLUGS
Type
Thread
Measure
1AZ Spark plugs (ungreased)
All
M 12x1.25
23 ±3 Nm
All
M 14x1.25
30 ±3 Nm