Liqui Moly Molygen 5W-50

Liqui MolyLiqui Moly Molygen linepassenger cars5W-50

Fully synthetic 5W-50 oil with Molygen anti-friction additive for cars, to ACEA A3/B3 and API SJ, meeting MB 229.1 and VW 502.00/505.00.

Classification
Product line Liqui Moly Molygen 2 oils
SAE viscosity 5W-50What SAE means
Base oil fully synthetic
Intended use passenger cars
API class What API means
ACEA class What ACEA means
Approvals
Meets the requirements of What an approval means
Typical properties
Viscosity at 40 °C 117 mm²/s
Viscosity at 100 °C 18.5 mm²/s
Viscosity index 177
HTHS viscosity ≥3.7 mPa·s
Pour point -42 °C
Flash point 240 °C
Evaporation loss (NOACK) 7.5 %
Base number (TBN) 11.1 mg KOH/g
Sulphated ash 0.9-1.5 %
Density 850 kg/m³
Pack sizes 1 L, 4 L, 205 L

The car maker has not officially approved the entries in the “Meets the requirements of” row.

Description

Liqui Moly Molygen 5W-50 is a fully synthetic full-SAPS oil with the Molygen anti-friction additive for passenger-car petrol and diesel engines, including multi-valve and turbocharged units. It is also designed for extended drain intervals. This is a separate product, not Molygen New Generation 5W-50.

It holds no official approvals: the manufacturer gives recommendations only, namely ACEA A3/B3 and API SJ and the requirements of MB 229.1, VW 502.00 and VW 505.00.

Typical figures: viscosity 18.5 mm²/s at 100 °C, viscosity index 177, HTHS at least 3.7 mPa·s, NOACK 7.5 %, pour point -42 °C, sulphated ash 0.9-1.5 %. Pack sizes 1, 4 and 205 litres.

Application

Passenger-car petrol and diesel engines, including multi-valve and turbocharged units, also with extended drain intervals.

Worth knowing

The name of its range-mate Molygen New Generation 5W-50 differs by just two words, yet its list is entirely different: Liqui Moly recommends it only for cars with an API SN requirement, with no ACEA classes and no Mercedes-Benz or VW codes. This oil, by contrast, is recommended for ACEA A3/B3, MB 229.1, VW 502.00 and VW 505.00 requirements, but of the API classes it has only SJ. So of these two oils, Liqui Moly links MB 229.1 and VW 505.00 only with this one and API SN only with New Generation, although their SAE grade is the same.

The data sheets give Noack evaporation, 7.5 % here and 11.7 % for New Generation, by different methods, CEC-L-40-A-93 and ASTM D5800 B, so the two figures do not come from the same test. Sulphated ash is 0.9-1.5 % against 1.0-1.6 %. Whether 5W-50 suits a particular engine at all is for the car’s manual to decide, and a separate article covers what happens to an engine when the oil is thicker or thinner than specified.

Data current as of Check the label and the current product data sheet before you buy.

Sources

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