1990 bmw 325i limited slip differential S373
they pinion has 11 teeth and the ring has 41 but the gear ratio should be stamped on the pinion
cf(3.73);
ratsimp(cfdisrep(%));
373
(%o20) ---
100
(%i21) ratsimp(cf([3, 1, 2, 1, 2, 2, 1]));
(%o21) [3, 1, 2, 1, 2, 3]
(%i22) ratsimp(cfdisrep(cf([3, 1, 2, 1, 2, 2, 1])));
138
(%o22) ---
37
(%i23) ratsimp(cfdisrep(cf([3, 1, 2, 1, 2, 2])));
97
(%o23) --
26
(%i24) ratsimp(cfdisrep(cf([3, 1, 2, 1, 2])));
41
(%o24) --
11
(%i25) %o22,numer;
(%o25) 3.72972972972973
(%i26) %o24,numer;
(%o26) 3.727272727272727
(%i27) ratsimp(cfdisrep(cf([3, 1, 2, 1])));
15
(%o27) --
4
(%i28) %,numer;
(%o28) 3.75
