Shaft parts of a four-speed gearbox produced since August 1977 (BMW 3 Series E21)

Details of shafts of four-speed gearbox produced since August 1977:

1 - secondary shaft; 2 — primary shaft; 3 — intermediate shaft; 4 — secondary shaft flange (until August 1960.); 5 — secondary shaft flange (since August 1980.) 6 — speedometer drive pinion; 7 - adjusting ring; AR — reverse.