Spark plug. Thread pitch 1.25 mm. BMW 5 (E39) M52 B25 (256S3), M52 B25 (256S4) (2.5 170 HP 125 kW) 1995-09 - 2000-08. BMW 5 Touring (E39) M52 B25 (256S3), M52 B25 (256S4) (2.5 170 HP 125 kW) 1997-03 - 2000-08.
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