Thanks Bud, would really love to hear which oil he recommends. I'm from Durban so East rand is a tad far for a service haha. :lol: All oils suitable for the N55 need to be LL01 in SA according to BMW south Africa there in England you very lucky with your superior fuel
Love being able to fill with 99 Octane straight from the pump - and these engines love higher octane fuel!
I've always followed manufacturer guidelines with respect to oil and bought commonly available oil from normal retails such as Walmart. I've never had a catastrophic powertrain failure with factory recommended products and this includes them in HPDE applications. After 75,000 miles (with HPDEs) on my N55 using only BMW branded oil for included maintanance, M1 0w-40, and Castrol Edge 0w-40, every 5000-7500 miles, I am happy to report my engine does not consume oil and has not blown up yet. I personally would run Xcess 8100 5W40 for californian weathers, 300V for track work, or PP Euro 5W40 again for californian weathers for the budget conscious. These cars target such a high oil temp in comfort and also still goes up to 90-95C in sport with regular driving, I would not want to run any thinner of an oil. __________________ BM3, MHD, ECUTek Calibrator | N55/S58 specialist | 2023 X5 45e on Order Even if it says that, there's no guarantee it'll be a Group IV or Group V. More than likely, it's a Group III mixed with a Group IV or Group V. If it's a true synthetic outside of the Mobil 1/Castrol court ruling, then it'll actually say 100% Ester or PAO. Motul, Redline, Amsoil and a number of others make full synthetics that are mostly Group IV or Group V. If you look at the packaging on the Motul Sport 5w40, it actually says 100% ester. The Mobil1/Castrol ruling was a result of those companies convincing the court that their modified hydrocarbons were changed enough to actually call them synthetic. That's when all the confusion started. Really muddies the waters. My father is a chemical engineer and worked in the Petroleum industry for most of his career and even he gets a bit confused by some of the labels and descriptions. I'm still learning myself honestly, just lots of contradictory or incomplete data out there. You'll notice a lot of the spec sheets often don't feature all of the same test data or it's incomplete. Nowak ratings are of particular interest to us as it measures the percentage of evaporation over time. The lower the percentage, the better. But most manufacturers don't include this data on any of their products. Sometimes they do on one or two but not others. Too many "standards" and too many lobbyists, LOL. Is LIQUI MOLY better than Motul?The high amount of additives in Liqui Moly gives this product a higher cleaning performance and maintainability of parts than Motul.
Is Motul 8100 Ester based?The Motul 8100 series of engine oils use a combination of PAO and ester based oils, depending on their intended application.
Is Motul 8100 full synthetic?The 8100. A 100% Synthetic product range that can be compared to a swiss-army knife. It combines the different and most recent approvals from a variety of OEMs into 1 oil. Our OEM dealers and independent aftermarket customers appreciate the all-in-one, while knowing it meets OEM standards yet provides utility.
What is Leichtlauf?Leichtlauf is a modern top class low-friction engine oil for all-season use in petrol and diesel engines without diesel particulate filters (DPF).
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