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Ignition - Spark Plug Applications: Overview

90bmw17 Group 12 Engine - Electrical
Bulletin Number 12 03 85 (1085) Information Sheet
Woodcliff Lake, NJ October 1990 Service Engineering






Please remove and discard the Spark Plug Application Chart dated May 1990 from S.I. 12 03 85 (1085) and insert the attached chart dated October 1990 in its place.

The October 1990 chart incorporates the spark plug recommendations for the M50 engine in the 525i model and the M70 engine in the 850i model.

Note: This information sheet may be discarded after completing the above action.
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