Sample 1: M1 0W40 SM - 2,388km - OCI 6 months (M1 0W40 Flush) TBN: 11.4
http://www.bobistheoilguy.com/forums/ubb...rue#Post1546536
Sample 2: M1 0W40 SM - 5,222km - OCI 12 months TBN: 10.72
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1982378
Sample 3: M1 0W40 SM - 4,631km - OCI 17 months TBN 12.06
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2485360
Sample 4: M1 0W40 SM - 1,187km - OCI 24 months - Virgin TBN: 12.38
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3240210/M1_0W40-1,187km/2yrs-20%3Cbr_
Sample 5: M1 0W40 SN - 658km - OCI 48 months/4 Years - TBN 11.78
-------------------
Comments on report:
Wear metals are within acceptable limits.
Particle contamination is high due to dust particles.
Oil condition appears satisfactory.
Monitor contamination trend next sample.
Check air intake as the source of dust entry.
------------------
TBN: 11.78
------------------
Driving Conditions:
All town driving. Car would sit for 6-11 months then get driven around 50-100kms over a week then parked back in storage.
------------------
Refilled with: M1 0W40 SN
Filter: M1-254
Vehicle is still in storage.
OCI will be set at 5 years (DEC 2022) depending on future mileage.
Filter was cut open. No shiny particles seen in the filter when held up to the sun.
http://www.bobistheoilguy.com/forums/ubb...rue#Post1546536
Sample 2: M1 0W40 SM - 5,222km - OCI 12 months TBN: 10.72
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1982378
Sample 3: M1 0W40 SM - 4,631km - OCI 17 months TBN 12.06
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2485360
Sample 4: M1 0W40 SM - 1,187km - OCI 24 months - Virgin TBN: 12.38
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3240210/M1_0W40-1,187km/2yrs-20%3Cbr_
Sample 5: M1 0W40 SN - 658km - OCI 48 months/4 Years - TBN 11.78
-------------------
Comments on report:
Wear metals are within acceptable limits.
Particle contamination is high due to dust particles.
Oil condition appears satisfactory.
Monitor contamination trend next sample.
Check air intake as the source of dust entry.
------------------
TBN: 11.78
------------------
Driving Conditions:
All town driving. Car would sit for 6-11 months then get driven around 50-100kms over a week then parked back in storage.
------------------
Refilled with: M1 0W40 SN
Filter: M1-254
Vehicle is still in storage.
OCI will be set at 5 years (DEC 2022) depending on future mileage.
Filter was cut open. No shiny particles seen in the filter when held up to the sun.