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, […]