www.QV500.com - BMW E26 M1 At-a-Glance
 
Derivative
Volume
Years
Output
Chapter
E26 M1
406
1978 - '81
277bhp
Part 1
E26 M1 Group 4
50
1978 - '79
470bhp
Part 2
E26 M1 Group 5 'March'
2 (3)
1979 - '80
480bhp
Part 6
 
 

E26 M1 Group 4