BMW LSD type 188 Uprated steel cover

These LSD units were used in :
  - E30 325i, M3
  - E36 325i, M3 3.0 and M3 3.2 (US spec)
  - Other BMW's that use size 188mm diffs (E28, E34, Z3 and other)

3.15 to 4.45 gear ratios

This cap made from special compound steel for increased strength.