ML 320 (163.154) V6-3.2L (112.942) (1998)
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BK
ISO version for BCP series
5
Thermal index
E
Length of thread
S
Design features
Example: IFR5D 10
I
Spark plug type (iridium electrode)
F
Dimensions of spark plug body
R
Interference suppression resistance
5
Thermal index
D
Design designation
10
Electrode gap
