In the course of 1951, BMW changed the format of the engine number and the BMW letters cast in the engine case.

The upper one is the old format. Note the dots between the BMW letters.

The early engine cases had the VIN number stamped in an oval window. Later on the VIN number moved to the area just above the pushrod tubes

Photos: Manolis Saravelakis, Greece

bmw r67 engine number































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