I don't care much about winter performance as it doesn't get super cold here. I decided to try the X-cess as it has good viscosity at 100C, a Noack rating just below 10% and a high VI. In the end, I decided my prior experience of very little oil consumption with the Motul pushed me back in their direction after looking at a host of options from Pennzoil, Castrol (OEM), Mobil 1, Redline, etc.pouring over all their specs and taking price into consideration. I'm not sure if the 8100 falls into that category but from what I understand, it's a higher "grade" than even the Specific. I also read about Motul loosing a lawsuit in Europe recently as some of their formulations were using group III oils and not true group IV synthetics. I did a ton of research and spent quite a bit of time on the "Bob the oil guy" web page until acronyms made my head explode and left me with a less clear path to well, clarity. I decided to switch back to Motul, this time the X-cess 8100 5w40. With Motul, I'd had virtually zero oil consumption with the exact same driving habits. Car ran fine, engine was just as quiet overall but my oil consumption went from zero to about 1 liter in 5,000 miles. My last oil change I decided to make a switch to Liqui-Moly, specifically the 4100 Top Tech 5w40. ** MB 229.52 specification is fully backward compatible with MB 229.51 and MB 229.I've used Motul since day one of ownership of my RS5 and had been using the Specific 502 00 5w-40 and the X-Clean 5w-40. * BMW LL-04 covers all the previous BMW specifications including BMW LL-98 and BMW LL-01 Outstanding detergent/dispersant power and better viscosity increase resistance.Environment friendly - reduces fuel consumption and therefore minimises greenhouse gases (CO2) emissions.Allows excellent oil flow at start up, faster oil pressure build up, faster revs raisings and faster operating temperature reach.Improved cold flow properties to reduce hydrodynamic friction of the oil, in order to obtain fuel economy especially when the oil is cold.Extended drain intervals as managed by the vehicle on-board computer.High lubricating properties such as wear protection and high temperature resistance for better controlled oil consumption.Synthetic base stocks coupled with specific friction modifier molecules and dedicated SAPS levels that generate outstanding oil film resistance, reduce friction in the engine and provide after treatment device compatibility.Reduces friction to ensure gains in energy savings, and therefore fuel economy benefits.Significant oil film resistance and low emission performance during use in powerful engines.a low friction, low HTHS viscosity.Ĭompatible with catalytic converters and Diesel Particulate Filters (DPF).ĭo not mix with lubricants that are not ACEA C3 or ACEA C2 compliant. high HTHS viscosity and mid SAPS with reduced content of sulphated ash, phosphorus and sulphur, or an ACEA C2 engine oil i.e. Suitable for vehicles that are Euro 4, 5 or 6 emission regulation compliant and require an ACEA C3 engine oil i.e. It is approved by BMW Group, GM (General Motors) Opel, Mercedes and Volkswagen for its Extra Fuel Economy (EFE) properties.Įspecially designed for the latest generation cars, powered by petrol or diesel engines, naturally aspirated or turbocharged, indirect or direct injection. Motul 8100 X-Clean EFE 5w-30 is an advanced fully synthetic petrol and diesel engine oil that provides high protection and fuel economy. Motul 8100 X-Clean EFE 5w-30 Fully Synthetic Car Engine Oil
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