The Oil classification of Fiat is very vague for me:
Is the oil 9.55535-S2 better than the 9.55535-N2 or does it meet all N2 criteria and can it be used freely instead of obsolete N2/M2?
So, should I better use the 9.55535-S1/S2 in Croma (2006, 150hp) instead of 9.55535-N2/M2?
- Fiat 9.55535-M2 Qualification for lubricants with extended drain. OEM recommended product also meets ACEA B3-04/B4-04, GM-LL-B-025.
- Fiat 9.55535-N2 Qualification for lubricants with a very good characteristics for turbocharged engines, Diesel and gasoline, with extended drain. Minimum requirement is ACEA A3/B4-04.
- Fiat 9.55535-S1 Qualification for Diesel and gasoline engine, with exhaust treatment system, lubricants, granting fuel economy and extended drain. OEM recommended product is also approved to ACEA C2.
- Fiat 9.55535-S2 Qualification for Diesel and gasoline engine, with exhaust treatment system, lubricants, with extended drain. OEM recommended product also meets: ACEA C3-04, MB 229.51 and API: SM/CF.
Is the oil 9.55535-S2 better than the 9.55535-N2 or does it meet all N2 criteria and can it be used freely instead of obsolete N2/M2?
So, should I better use the 9.55535-S1/S2 in Croma (2006, 150hp) instead of 9.55535-N2/M2?