life was quite bumpy the past year, that I just realized today that I went 21000km (13000 miles) on cheap 15w40 A3/B4 in my Mercedes Benz om605
I've been used to change oil and at 7500km due to WVO usage but for now it looks and sounds perfectly fine. I will change it next week and report back
I've been used to change oil and at 7500km due to WVO usage but for now it looks and sounds perfectly fine. I will change it next week and report back