The E26 M1 uses a ZF five-speed manual gearbox with a "dogleg" shift pattern and the following ratios: 2.42 (1), 1.61 (2), 1.14 (3), 0.846 (4), 0.704 (5). This is mated to a 4.22:1 rear axle with limited slip differential (40 percent locking).
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