4-speed

 316-318-320/4

> 08 / 77

Getrag 242/9 or 242/18 

 316-318-320/4

08 / 77 > 

Getrag 242/18.30 

 320i

Getrag 242/18 

 320/6-323i

Getrag 242/7-50 

5-speed sports

 318-318-320/4-320i

> 81 

Getrag 245/2 

 315-316-318i

81 > 

Getrag 245/10 BO 

 320/6-323i

81 > 

Getrag 245/11 OO BJ

5-speed economy (overdrive) 

 315-316-318-318i

Getrag 245/4 BN 

 320/6-323i

Getrag 245/288 GC 

Automatic gearbox (3-speed)

 all models

ZF 3 HP-22 

Gear ratios

4-sp

5-sp sports

5-sp economy

automatic

1^st

3.764

3.764

3.682

2.478

2^nd

2.043

2.325

2.002

1.478

3^rd

1.320

1.612

1.330

1.000

4^th

1.000

1.229

1.000

-

5^th

-

1.000

0.805

-

reverse

4.096

4.096

3.682

2.090