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    01 BMW 540I oil options

    Hi. I purchased the car in January 09. I'm currently on my second oil change running Lubro Moly Synthoil 5w-4O, although this is a good oil, I'd like to run a group IV synthetic. I'm thinking of running GC 0w-30, or the expensive Motul x-max 5w-40. What other options would there be to choose...
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    01 BMW 540i - Lubro Moly 5W-40 Full Synthetic

    I had the oil changed at a reputable shop, is it possible that a different grade of oil was filled. Also the comment from Wearcheck on the condition of the oil stating "the viscosity of the oil is low indicating either viscosity index(IV)improvers shearing, or the addition of a lighter oil)...
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    01 BMW 540i - Lubro Moly 5W-40 Full Synthetic

    Hi. I purchased the car in January 09. I ran the oil from January till June with a total of 7878km on this current sample. I again went with Lubro Moly, I understand that GC 0W-30 is also a good oil for for this engine. Thanks for any input. Report done at Wear Check Silicon 8.3 Potassium...
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    Castrol 10W40 Mobil1 10W30 - 87 BMW 535

    Thanks for all suggestions. I will stick with synthetic, as I mentioned I'm running Mobil 1 15w50 in the summer, but what would be a good choice in the winter time? Mobil 1 0-40 or just run 5w-40 all year long, as mentioned. Thanks.
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    Castrol 10W40 Mobil1 10W30 - 87 BMW 535

    Hi. First time on the board. Greets to all. Here are my results, for the Bimmer, done at WearCheck Canada. Previous owner used Castrol 20W50, right now for the summer I'm running Mobil1 15W50, thanks for any input. Engine 3.5l 255km Oil capacity - 5.0l Filtration - MANN Castrol GTX 10W40...
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