Ignition - Spark Plug Application Chart
Group 12Engine Electrical
Bulletin Number
12 03 85 (1085)
Woodcliff Lake, NJ
August 1995
Product Engineering
This Service Information bulletin supersedes S.I. 12 03 85 (1085) dated November 1994, which should be removed from your S.I. binder and discarded.
SUBJECT:
Spark Plug Application - Chart
MODELS:
All
�/=:
Situation:
The spark plug application chart includes spark plug manufacturer and plug designation for all BMW models which should be used whenever a spark plug replacement becomes necessary.
^ A mix of platform tri-electrode spark plugs and dual electrode spark plugs and/or different manufacturer spark plugs, i.e., Bosch/NGK should never be installed on one engine.
^ Spark plugs must always be torqued to the proper specifications as outlined on the chart.
Warranty Status:
Information only.