Technical Information

 Bodywork
4-door-saloon, torsionally rigid safety cell with shock-absorbing zones in the front and rear, integral roll.over bar, all-aroand body reinforcement, cantilevered bonned hinged at the front with special safety catches.
Drag coefficient - cd-number: 0,44 (0,39 at BMW E28).

 Measurements

BMW Standard-Version, © www.e12.de


BMW US-Version, © www.e12.de

The tracks differ from model to model and are depending from the model year. The shown values on top are related to the model year 1978. Here are each values:

after model year 1972:
1406 mm front and 1442 mm rear (BMW 520; BMW 520i)

after 1975:
1406 mm front and 1442 mm rear (BMW 518; BMW 520; BMW 520i)
1406 mm front and 1446 mm rear (BMW 525)
1420 mm front and 1460 mm rear (BMW 528)

after model year 1978:
1422 mm front and 1466 mm rear (BMW 518; BMW 520)
1422 mm front and 1470 mm rear (BMW 525; BMW 528i)

The volume of the trunk is approxemately 620 l, 440 l (VDA-Quarderstandard)

 Final drive
  518 520 520i 525 528 528i
 after model year 1972
 4,44 : 1
 4,1 : 1
 3,9 : 1
 3,64 : 1
 3,64 : 1
 
 after model year 1978
 4,44 : 1
 3,9 : 1
 
 3,64 : 1
 
 3,45 : 1
 after model year 1980
 4,27 : 1
 3,9 : 1
 
 3,64 : 1
 
 3,45 : 1

  528i (US) 530i (US)
 after model year 1975
 
 3,64 : 1
 after model year 1977
 
 3,45 : 1
 after model year 1979
 3,45 : 1
 

  518i JAP 518i SWE
 
 3,91 : 1
 4,27 : 1