My car's E90 320i engine oil yo-yo a fair bit in the first month of my last service. After that it stayed at 75% for quite a long time. Only 2 weeks ago, it went from 50% to 25%.
I will be sure to ask the service technician to check for leaks, mine has BSRI for 5 years.
I will be sure to ask the service technician to check for leaks, mine has BSRI for 5 years.
