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840i xDrive 2D Convertible
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Engine Electrical System -- Tightening Torques (G14, G15, & G16)
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1212 SPARK PLUGS (all 8' series models 2019-2023)
1212 SPARK PLUGS (all 8' series models 2019-2023)
1212 SPARK PLUGS - TIGHTENING TORQUE SPECIFICATIONS
Type
Thread
Tightening specifications
Dimension
1AZ Spark plugs (ungreased)
All
M12 x 1.25
23 ± 3 Nm
All
M14 x 1.25
30 ± 3 Nm