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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    I decided im going to go grab the motul 5w40 right now, I found it available down the road and it's cheaper than the Castrol and PP for some reason (was quoted 57CAD/41USD per jug). Plus I can keep my oil change appt which I realized was actually tomorrow. Thanks for all the replies, gave me...
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    When I uses chat gpt it says the Mobil 1 0w40 HTHS is 3.7, the Castrol is 3.7 and the motul 5w40 is 3.8. But when I pull up the data sheets for the Mobil 1 and Castrol, it doesn't actually say on them. Since we are going into winter soon, im tempted to just grab the Mobil 1 0w40 which is on...
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    Also on a side note, I just ran a half of tank of fuel with a single bottle of techron fuel system cleaner through the car. Am I safe to run on this oil if I move my oil change appointment back another week while I decide on oil?
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    I think I can find the Motul XCess Gen 2 5W-40 locally and maybe ravenol, would they habe a higher HTHS and/or be a better choice than the 3 i listed? Edit : I found the motul XCess Gen 2 at another store. Tempted to go that route if it's going to be any better. It's only 57 CAD for a 5 litre...
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    Car is stock turbo. Has ecu, tcu and cpc tunes. They all make 680-720 whp with stage 2. Haven't had to do my RMS, but I know 2 local cars that have. Although I know of about 15 of them locally that haven't as well . I'm hoping I get lucky but who knows. I thought the problem was that the oil...
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    Mb says 0w40 or 5w40 only. Any person I know making considerably more power than me on the same platform, including guys with built motors, still all run those two. I'm not saying a 50w would be wrong, I just feel comfortable being by the "book" for now. Also not trying to open a new can of...
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    It's funny because the Mobil 1 is actually on sale for 36 CAD right now, but I didn't want that to sway answers. For some reason I'm leaning toward the Castrol still. Still open to opinions though, oil change is Friday. Need to pick by then.
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    Let's pretend they're all the exact same price and at the same store. 😉
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    Help me pick 1 of 3 oils for my 800hp E63s (overwhelmed)

    I didn't want to be "that guy" and make an other similar post, so I first spent HOURS on this site over the last couple days to try and pick my next oil and quite frankly - i'm overwhelmed. I've been read countless threads on 0w40/5w40 euro oils, done a lot of learning about saps, oil shear, sp...
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