Search results

  1. C

    BMW 5W-30, 5720 miles, 2003 BMW 530, 3.0, 6 cyl

    Well I just got my Blackstone report back and I’m not impressed with the BMW 5W-30 that the dealers use. After only 5720 miles, the TBN is down to 1.4. I’m not sure what this oil starts out at, but this is the oil that’s supposed to go to 15K. If anyone knows the original TBN on this oil, let me...
Back
Top