GEARBOX IMPROVEMENT
GEARBOX IMPROVEMENT
2011 BMW F10 520D
- ZF 8HP
- 130000KM
Symptom:
Setback occur when shifting to second gear and shifting back to 6th or 7th gear.
Solution:
Switching to PHI OIL Pure Gold when maintaining the transmission, and replace the transmission filter.
Owner’s feedback:
The setback significant improve after switching lubricating oil. The setback occur less with more distance driven.
Setback occur when shifting to second gear and shifting back to 6th or 7th gear.
Solution:
Switching to PHI OIL Pure Gold when maintaining the transmission, and replace the transmission filter.
Owner’s feedback:
The setback significant improve after switching lubricating oil. The setback occur less with more distance driven.