My car (2003) recommend API SL for engine oil. I assume the engine is pre GPF.
I have been using Mob 1 0w-40 fully synthetic since new. I have looked at the ESP range because of the slightly different viscocities and availability.
I understand that the API hierarchy means that an SN rated oil meets all it's predecessors specifications like (SJ, SL, SM ...) +additional newer onces.
So I contacted mobil (UK) about suitability of the ESP & EXP X3 for my car compared to FS (full SAP). Theu guy gave me helpful information relating to GPF oil requirement and so on but the outcome was that ESP/ X3, do not meet the SL standard and that I should not use them.
Could it be that full SAP oil is a better lubricant so better for engines without GPF?
So a little confused here. Perhaps our expert members can shine some light on this for my benefit?
I have been using Mob 1 0w-40 fully synthetic since new. I have looked at the ESP range because of the slightly different viscocities and availability.
I understand that the API hierarchy means that an SN rated oil meets all it's predecessors specifications like (SJ, SL, SM ...) +additional newer onces.
So I contacted mobil (UK) about suitability of the ESP & EXP X3 for my car compared to FS (full SAP). Theu guy gave me helpful information relating to GPF oil requirement and so on but the outcome was that ESP/ X3, do not meet the SL standard and that I should not use them.
Could it be that full SAP oil is a better lubricant so better for engines without GPF?
So a little confused here. Perhaps our expert members can shine some light on this for my benefit?