Engine oil technical data · Amsoil
Amsoil European Motor Oil 5W-40 (EFM)
Amsoil European Motor Oil 5W-40 (EFM) is a 5W-40 engine oil (ACEA A3/B3, A3/B4 · API SN, SM). According to the manufacturer's data sheet it has a viscosity of 88.5 mm²/s at 40 °C, 14.6 mm²/s at 100 °C, a viscosity index of 173, HTHS of 4 mPa·s, a TBN of 10.1 mg KOH/g and a pour point of −39 °C.
Data sheet ↗ Data verified: 8 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-40 i |
|---|---|---|
| Viscosity 40 °C | 88.5 mm²/s | 86 mm²/s |
| Viscosity 100 °C | 14.6 mm²/s | 14.2 mm²/s |
| Viscosity index | 173 | 172 |
| TBN | 10.1 mg KOH/g | 10.1 mg KOH/g |
| CCS −30 °C | 6120 mPa·s | 6200 mPa·s |
| Pour point | −39 °C | −42 °C |
| Flash point | 222 °C | 230 °C |
| Density | not stated | |
| HTHS 150 °C | 4 mPa·s | 3.9 mPa·s |
| Sulphated ash | not statedNot stated by the manufacturer. ACEA A3/B3 allows at most 1.5 %. |
All 5W-40 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA A3/B3, A3/B4 · API SN, SM
- Approvals and recommendations
- suitable for: API SN, SM; ACEA A3/B3, A3/B4; BMW LL-01; MB 229.5; Porsche A40; VW 502.00, 505.00; GM LL-B-025; Renault RN0700, RN0710
- Oils by specification
Similar oils
Oils in the 5W-40 class with the closest parameters and the same specification.
- SHELL HELIX ULTRA 5W-40ACEA A3/B3, A3/B4 · API SN/CF
- SHELL HELIX HX8 5W-40ACEA A3/B3, A3/B4 · API SN
- Valvoline All-Climate 5W-40ACEA A3/B3, A3/B4 · API SN/CF
- REPSOL ELITE COMPETICION 5W-40ACEA A3/B3, A3/B4 · API SN/CF
- VALVOLINE SYNPOWER 5W-40ACEA A3/B3, A3/B4 · API SL, SM, SN/CF
- Millers oils XFS 5W-40ACEA A3/B3 · API SL/CF