cylinder-base-spacer-11-79-13-ns-1179

i I ‘\ t ( 1.1 ,, ;} -,~ ·• ‘·1 I I ) i ‘·’ SERVICE SERVICE BULLETIN ll-79-13NS BUTLER & SMITH, INC. NORWOOO, NEW JERSEY 07648 COMPTON, CALIFORNIA 90224 CYLINDER BASE SPACER ON EMISSIONS MOTORCYCLE Group 11 Motor BMW is happy to announce that we now have the approval of the Environmental Protection Agency for the use of Cylinder Base Spacers on BMW models manufactured after January 1, 1978. This approval means the cylinder base spacers can now be installed on the emissions controlled models to reduce compression and allow the use of leaded regular gasoline. For complete information on compression reduction, see BMW Service Information issue 11 009 78 (1057R), /la Yours very truly, BUTLER & SMITH. INC, ~~.,,_,.._.e-1 e/t~~ Gene T. Shirley Service Manager •