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Thanks again for the feedback. I'm going to roll with the 5w40 X-cess Gen 2 from Motul, it appears that LL-01 is still technically approved for the B58B30M1. If I'm thinking about this objectively, the engine would be less likely to have catastrophic damage running a better oil vs a weaker oil...

Not sure either, I am pretty sure it was the Euro formula, but at idle it was certainly louder... From what I've read, higher HTHS means higher drag on engine parts, reducing efficiency. It makes sense to me to find a balance of the lowest viscosity oil with the best HTHS characteristics. I'm...

@edyvw Unfortunately. I used to run the Castrol Edge in my e39 540i although things seemed to get noisier with that oil... Under warranty, would you recommend the Motul 5W40 for my driving conditions or opt for one of the LL-04 options like the 5w30 X-Clean+? I guess I don't understand how to...

First, a big thank you to everyone for all of the commentary and recommendations in this thread regarding recs for the B58. This discussion has helped me elevate my knowledge of engine oils and, more specifically, options for oils that best suits the B58. Reading through this thread, it sounds...