Original Iridium Powerful Auto Spark Plugs 100000051 1212-0037-582 Fit For BMW 335i 435i 535i 640i X3 X5 X6​

Auto Spark Plugs Detail

Auto Spark Plugs Double Iridium Advantage

Refer to the car model application table to select the correct spark plug model

Preparation: Let the engine cool down, and clean the spark plug installation site before disassembly and installation to prevent foreign matter from falling into the cylinder. Screw the spark plug into the spark plug mounting hole by hand, and pay attention to the spark plug not to be skewed, and twist the thread with a rabbit. Tighten the spark plug with a torque wrench according to the specified torque. The installation torque value is used for new spark plugs with no lubricant on the thread. If the thread has been lubricated, the torque value should be about 1/3 to avoid excessive force. If there is no torque wrench, tighten it according to the rotation angle specified in the diagram.

Screw the spark plug into th cylinder head to prevent random buckling;

Use a wrench to quickly screw the spark plug into the cylinder head. Do not use excessive force. The sealing surface can fit the clinder head;

Tighten with a wrench according to the specified torque.

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