Secondary Air System Monitoring for Test Groups: Notes
- 4BMXX03.0UL2 (models: 325Ci, 325Ci convertible, 330Ci, 330Ci convertible, 325i, 325i sport wagon, 330i)
- 4BMXX03.0UL2 (models: 525i, 530i)
- 4BMXX03.0UL2 (model: X3 3.0A)
- 4BMXV02.5M56 (models: 325Ci, 325i, 325i sport wagon)